$$ \begin{aligned} 6+11\cdot(8+8(7x+9)) &= 0&& \text{simplify left side} \\[1 em]6+11\cdot(8+56x+72) &= 0&& \\[1 em]6+11(56x+80) &= 0&& \\[1 em]6+616x+880 &= 0&& \\[1 em]616x+886 &= 0&& \text{ move the constants to the right } \\[1 em]616x &= -886&& \text{ divide both sides by $ 616 $ } \\[1 em]x &= -\frac{886}{616}&& \\[1 em]x &= -\frac{443}{308}&& \\[1 em] \end{aligned} $$

This page was created using