Question
$$2\cdot6x+18 = 2\cdot4x+22$$
Answer
$$ x = 1 $$
Explanation
$$ \begin{aligned} 2\cdot6x+18 &= 2\cdot4x+22&& \text{move the $ \color{blue}{ 8x } $ to the left side and $ \color{blue}{ 18 }$ to the right} \\[1 em]12x-8x &= 22-18&& \text{simplify left and right hand side} \\[1 em]4x &= 4&& \text{ divide both sides by $ 4 $ } \\[1 em]x &= \frac{4}{4}&& \\[1 em]x &= 1&& \\[1 em] \end{aligned} $$
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