Question
$$-5+2\cdot(1+9x) = 25$$
Answer
$$ x = \dfrac{14}{9} $$
Explanation
$$ \begin{aligned} -5+2\cdot(1+9x) &= 25&& \text{simplify left side} \\[1 em]-5+2+18x &= 25&& \\[1 em]18x-3 &= 25&& \text{ move -3 to the right } \\[1 em]18x &= 25+3&& \\[1 em]18x &= 28&& \text{ divide both sides by $ 18 $ } \\[1 em]x &= \frac{28}{18}&& \\[1 em]x &= \frac{14}{9}&& \\[1 em] \end{aligned} $$
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