Answer:
multiplication property of equality
Explanation:
Given:
![-(1)/(2)p = 4](https://img.qammunity.org/2020/formulas/mathematics/middle-school/n75dg3rvd6wxbind4roahfb99advu2o2qp.png)
The rule is that whatever is done on one side of the equation is done on the other side of the equation two.
In order to isolate p, both sides of equation will be multiplied by -2.
This is called the multiplication property of equality ..