Question

Solve for z. 5z - 7 = 2z + 2

Answer 1

`5z_-7=2z+2`

Collect the like terms

`\begin{gathered} 5z-2z=2+7 \\ 3z=9 \end{gathered}`

Divide both sides by 3

`\begin{gathered} (3z)/(3)=(9)/(3) \\ \\ z=3 \end{gathered}`

The final answer

`z=3`