Question
$$3x-6 = 7x+2$$
Answer
$$ x = -2 $$
Explanation
$$ \begin{aligned} 3x-6 &= 7x+2&& \text{move the $ \color{blue}{ 7x } $ to the left side and $ \color{blue}{ -6 }$ to the right} \\[1 em]3x-7x &= 2+6&& \text{simplify left and right hand side} \\[1 em]-4x &= 8&& \text{ divide both sides by $ -4 $ } \\[1 em]x &= -\frac{8}{4}&& \\[1 em]x &= -2&& \\[1 em] \end{aligned} $$
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