Question
$$5+63x\cdot5 = 0$$
Answer
$$ x = -\dfrac{1}{18} $$
Explanation
$$ \begin{aligned} 5+63x\cdot5 &= 0&& \text{simplify left side} \\[1 em]5+6\cdot15x &= 0&& \\[1 em]5+90x &= 0&& \\[1 em]90x+5 &= 0&& \text{ move the constants to the right } \\[1 em]90x &= -5&& \text{ divide both sides by $ 90 $ } \\[1 em]x &= -\frac{5}{90}&& \\[1 em]x &= -\frac{1}{18}&& \\[1 em] \end{aligned} $$
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