Timothy tried to solve an equation step by step. \qquad\begin{aligned} 9\left(2x+\dfrac13\right)&=39 \\ 18x+3&=39&\green{\text{Step } 1} \\ 18x&=36&\blue{\text{Step } 2} \\ x&=2&\purple{\text{Step } 3} \end{aligned}
9(2x+
3
1

)
18x+3
18x
x


=39
=39
=36
=2


Step 1
Step 2
Step 3


Find Timothy's mistake.
Choose 1

Timothy tried to solve an equation step by step.
9(2x + 1/3) = 39

18x + 3 = 39 Step 1
18x = 36 Step 2
x = 2 Step 3

Find Timothy's mistake.