Question
$$-3x-6 = -7x+34$$
Answer
$$ x = 10 $$
Explanation
$$ \begin{aligned} -3x-6 &= -7x+34&& \text{move the $ \color{blue}{ -7x } $ to the left side and $ \color{blue}{ -6 }$ to the right} \\[1 em]-3x+7x &= 34+6&& \text{simplify left and right hand side} \\[1 em]4x &= 40&& \text{ divide both sides by $ 4 $ } \\[1 em]x &= \frac{40}{4}&& \\[1 em]x &= 10&& \\[1 em] \end{aligned} $$
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