Question

How many solutions does the following equation have? -2x + 10 + 72 = 160 + 7

Answer 1

$\begin{gathered} -2x+10+72=160+7​ \\ -2x+82=167 \\ \text{Put like terms together (subtract 82 from both sides)} \\ -2x+82-82=167-82 \\ -2x=85 \\ x=-\frac{85}{2}=-42\frac{1}{2}=-42.5 \end{gathered}$