Gary tried to solve an equation step by step. \begin{aligned} \dfrac e{4}&=2.5 \dfrac{e}4 \cdot4&=2.5\cdot4&\green{\t ext{Step } 1} e&=8&\blue{\text{Step } 2} \end{aligned}
4
e
​

4
e
​
⋅4
e
​

=2.5
=2.5⋅4
=8
​

Step 1
Step 2
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Find Gary's mistake.