Question
$$27x+297 = 54x-162$$
Answer
$$ x = 17 $$
Explanation
$$ \begin{aligned} 27x+297 &= 54x-162&& \text{move the $ \color{blue}{ 54x } $ to the left side and $ \color{blue}{ 297 }$ to the right} \\[1 em]27x-54x &= -162-297&& \text{simplify left and right hand side} \\[1 em]-27x &= -459&& \text{ divide both sides by $ -27 $ } \\[1 em]x &= \frac{-459}{-27}&& \\[1 em]x &= 17&& \\[1 em] \end{aligned} $$
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