Question
$$8y+12 = 12+7y$$
Answer
$$ y = 0 $$
Explanation
$$ \begin{aligned} 8y+12 &= 12+7y&& \text{move the $ \color{blue}{ 7y } $ to the left side and $ \color{blue}{ 12 }$ to the right} \\[1 em]8y-7y &= 12-12&& \text{simplify left and right hand side} \\[1 em]y &= 0&& \text{ divide both sides by $ 1 $ } \\[1 em]y &= \frac{0}{1}&& \\[1 em]y &= 0&& \\[1 em] \end{aligned} $$
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