Question
$$9x = -27+425-223+x-1$$
Answer
$$ x = \dfrac{87}{4} $$
Explanation
$$ \begin{aligned} 9x &= -27+425-223+x-1&& \text{simplify right side} \\[1 em]9x &= x+174&& \text{move the $ \color{blue}{ x } $ to the left side} \\[1 em]9x-x &= 174&& \text{simplify left side} \\[1 em]8x &= 174&& \text{ divide both sides by $ 8 $ } \\[1 em]x &= \frac{174}{8}&& \\[1 em]x &= \frac{87}{4}&& \\[1 em] \end{aligned} $$
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