Question
$$157+y = 11y+17$$
Answer
$$ y = 14 $$
Explanation
$$ \begin{aligned} 157+y &= 11y+17&& \text{move the $ \color{blue}{ 11y } $ to the left side and $ \color{blue}{ 157 }$ to the right} \\[1 em]y-11y &= 17-157&& \text{simplify left and right hand side} \\[1 em]-10y &= -140&& \text{ divide both sides by $ -10 $ } \\[1 em]y &= \frac{-140}{-10}&& \\[1 em]y &= 14&& \\[1 em] \end{aligned} $$
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