Vlad tried to solve an equation step by step. \qquad\begin{aligned} -8p+14&=42 \\ -8p&=28&\green{\text{Step } 1} \\ p&=-3.5&\blue{\text{Step } 2} \end{aligned}
−8p+14
−8p
p


=42
=28
=−3.5


Step 1
Step 2


Find Vlad's mistake.