Question
$$3x+30 = 10x-26$$
Answer
$$ x = 8 $$
Explanation
$$ \begin{aligned} 3x+30 &= 10x-26&& \text{move the $ \color{blue}{ 10x } $ to the left side and $ \color{blue}{ 30 }$ to the right} \\[1 em]3x-10x &= -26-30&& \text{simplify left and right hand side} \\[1 em]-7x &= -56&& \text{ divide both sides by $ -7 $ } \\[1 em]x &= \frac{-56}{-7}&& \\[1 em]x &= 8&& \\[1 em] \end{aligned} $$
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