Exercise5

Solve the equation.

1. \(\displaystyle{ {-\frac{y}{9}+7}={5} }\)

2. \(\displaystyle{ {\frac{-x}{9}+7}={5} }\)

3. \(\displaystyle{ {\frac{a}{-9}+7}={5} }\)

4. \(\displaystyle{ {\frac{-p}{-9}+7}={5} }\)