Question
$$10-2v = -5v-50$$
Answer
$$ v = -20 $$
Explanation
$$ \begin{aligned} 10-2v &= -5v-50&& \text{move the $ \color{blue}{ -5v } $ to the left side and $ \color{blue}{ 10 }$ to the right} \\[1 em]-2v+5v &= -50-10&& \text{simplify left and right hand side} \\[1 em]3v &= -60&& \text{ divide both sides by $ 3 $ } \\[1 em]v &= -\frac{60}{3}&& \\[1 em]v &= -20&& \\[1 em] \end{aligned} $$
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