Question
$$5x-19 = 2x+35$$
Answer
$$ x = 18 $$
Explanation
$$ \begin{aligned} 5x-19 &= 2x+35&& \text{move the $ \color{blue}{ 2x } $ to the left side and $ \color{blue}{ -19 }$ to the right} \\[1 em]5x-2x &= 35+19&& \text{simplify left and right hand side} \\[1 em]3x &= 54&& \text{ divide both sides by $ 3 $ } \\[1 em]x &= \frac{54}{3}&& \\[1 em]x &= 18&& \\[1 em] \end{aligned} $$
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