Question
$$9w-4 = 2w+10$$
Answer
$$ w = 2 $$
Explanation
$$ \begin{aligned} 9w-4 &= 2w+10&& \text{move the $ \color{blue}{ 2w } $ to the left side and $ \color{blue}{ -4 }$ to the right} \\[1 em]9w-2w &= 10+4&& \text{simplify left and right hand side} \\[1 em]7w &= 14&& \text{ divide both sides by $ 7 $ } \\[1 em]w &= \frac{14}{7}&& \\[1 em]w &= 2&& \\[1 em] \end{aligned} $$
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