Question
$$x+2x+x+2+x-3 = 34$$
Answer
$$ x = 7 $$
Explanation
$$ \begin{aligned} x+2x+x+2+x-3 &= 34&& \text{simplify left side} \\[1 em]3x+x+2+x-3 &= 34&& \\[1 em]4x+2+x-3 &= 34&& \\[1 em]5x-1 &= 34&& \text{ move -1 to the right } \\[1 em]5x &= 34+1&& \\[1 em]5x &= 35&& \text{ divide both sides by $ 5 $ } \\[1 em]x &= \frac{35}{5}&& \\[1 em]x &= 7&& \\[1 em] \end{aligned} $$
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