Question
$$6x+4 = 20-2x$$
Answer
$$ x = 2 $$
Explanation
$$ \begin{aligned} 6x+4 &= 20-2x&& \text{move the $ \color{blue}{ -2x } $ to the left side and $ \color{blue}{ 4 }$ to the right} \\[1 em]6x+2x &= 20-4&& \text{simplify left and right hand side} \\[1 em]8x &= 16&& \text{ divide both sides by $ 8 $ } \\[1 em]x &= \frac{16}{8}&& \\[1 em]x &= 2&& \\[1 em] \end{aligned} $$
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