Find the mistake: two-step equations

Taylor tried to solve an equation step by step.
7\left(y+4.5\right)=32.5

    7y+4.5=32.{}5\ \ \greenD{Step\ 1}

                7y=28\ \ \ \ \ \blueD{Step\ 2}

                  y=4\ \ \ \ \ \ \ \purpleC{Step\ 3}

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Betsie tried to solve an equation step by step.
3\left(a+7\right)=-33

      a+7=-11\ \ \ \greenD{Step\ 1}

               a=-4\ \ \ \ \ \blueD{Step\ 2}

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Vlad tried to solve an equation step by step.

-8p+14=42

           -8p=24\ \ \ \ \ \ \ \greenD{Step\ 1}

                p=-3.5\ \ \ \ \ \blueD{Step\ 2}

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Vanessa tried to solve an equation step by step.

-12=4\left(f-6\right)

-12=4f-24\ \ \greenD{Step\ 1}

     12=4f\ \ \ \ \ \ \ \ \ \ \blueD{Step\ 2}

       4=f\ \ \ \ \ \ \ \ \ \ \ \ \purpleC{Step\ 3}

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Olga tried to solve an equation step by step.

\dfrac{1}{4}\left(\dfrac{1}{3}f+9\right)=6

       \dfrac{1}{3}k+9=24\ \ \ \ \ \greenD{Step\ 1}

                \dfrac{1}{3}k=15\ \ \ \ \ \blueD{Step\ 2}

                   k=5\ \ \ \ \ \ \ \purpleC{Step\ 3}

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Jessie tried to solve an equation step by step.
1.6+9=11

      1.5b=3\ \ \ \ \ \greenD{Step\ 1}

           b=2\ \ \ \ \ \blueD{Step\ 2}

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Sharon tried to solve an equation step by step.
    9=-3\left(e-2\right)

    9=-3e+6\ \ \ \greenD{Step\ 1}

     15=3e\ \ \ \ \ \ \ \ \ \blueD{Step\ 2}

        5=e\ \ \ \ \ \ \ \ \ \ \ \purpleC{Step\ 3}

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Nigel tried to solve an equation step by step.
\dfrac{1}{2}\left(2h-4\right)=20

      2h-4=10\ \ \ \ \ \greenD{Step\ 1}

               2h=14\ \ \ \ \ \blueD{Step\ 2}

                  h=7\ \ \ \ \ \ \ \purpleC{Step\ 3}

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Jamie tried to solve an equation step by step.
\dfrac{2}{5}n+7=12

        \dfrac{2}{5}n=5\ \ \ \ \ \greenD{Step\ 1}

         2h=14\ \ \ \ \ \blueD{Step\ 2}

            n=2\ \ \ \ \ \ \ \purpleC{Step\ 3}

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Timothy tried to solve an equation step by step.
9\left(2x+\dfrac{1}{3}\right)=39

    18x+3=39\ \ \ \ \ \greenD{Step\ 1}

             18x=36\ \ \ \ \ \blueD{Step\ 2}

                 x=2\ \ \ \ \ \ \ \purpleC{Step\ 3}

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Felix tried to solve an equation step by step.
2\left(5g-1\right)=3

    5g-1=1.5\ \ \ \ \ \greenD{Step\ 1}

             5g=2.5\ \ \ \ \ \blueD{Step\ 2}

                g=0.5\ \ \ \ \ \ \purpleC{Step\ 3}

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Mia tried to solve an equation step by step.
0.1t-3=5

        0.1t=2\ \ \ \ \ \greenD{Step\ 1}

              t=20\ \ \ \ \ \blueD{Step\ 2}

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Frank tried to solve an equation step by step.
    -5=5\left(d+4\right)

    -5=5d+20\ \ \ \greenD{Step\ 1}

       15=5d\ \ \ \ \ \ \ \ \ \blueD{Step\ 2}

          3=d\ \ \ \ \ \ \ \ \ \ \purpleC{Step\ 3}

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Carly tried to solve an equation step by step.
-4\left(7j+2\right)=10

          7j+2=-40\ \ \ \ \ \greenD{Step\ 1}

                   7j=-42\ \ \ \ \ \blueD{Step\ 2}

                      j=-6\ \ \ \ \ \ \ \purpleC{Step\ 3}

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Leon tried to solve an equation step by step.
\dfrac{1}{2}w-12=18

          \dfrac{1}{2}w=30\ \ \ \ \ \greenD{Step\ 1}

              w=15\ \ \ \ \ \blueD{Step\ 2}

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Bryce tried to solve an equation step by step.
   \dfrac{8}{3}=3\left(c+\dfrac{5}{3}\right)

   \dfrac{8}{3}=3c+\dfrac{5}{3}\ \ \ \ \ \greenD{Step\ 1}

    1=3c\ \ \ \ \ \ \ \ \blueD{Step\ 2}

      \dfrac{1}{3}=c\ \ \ \ \ \ \ \ \ \purpleC{Step\ 3}

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Gabi tried to solve an equation step by step.
0.1\left(0.5m+6\right)=2

        0.5m+6=20\ \ \ \ \ \greenD{Step\ 1}

                 0.5m=14\ \ \ \ \ \blueD{Step\ 2}

                      m=7\ \ \ \ \ \ \ \purpleC{Step\ 3}

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Yusuf tried to solve an equation step by step.
\dfrac{1}{4}+2=10

     \dfrac{1}{4}r=12\ \ \ \ \ \greenD{Step\ 1}

        r=48\ \ \ \ \ \blueD{Step\ 2}

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Tyler tried to solve an equation step by step.
3\left(x+4\right)=-18

 3x+12=-18\ \ \ \ \ \greenD{Step\ 1}

           3x=-30\ \ \ \ \ \blueD{Step\ 2}

             x=-10\ \ \ \ \ \ \purpleC{Step\ 3}

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Chase tried to solve an equation step by step.
\dfrac{1}{3}\left(g-3\right)=3

      g-3=9\ \ \ \ \ \greenD{Step\ 1}

              g=12\ \ \ \ \ \blueD{Step\ 2}

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Ling tried to solve an equation step by step.
-2q+11=-32

          -2q=-43\ \ \ \ \ \greenD{Step\ 1}

                 q=21.5\ \ \ \ \ \blueD{Step\ 2}

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