Answer:
-27
Explanation:
Draw a big X over the equal sign, then cross multiply the terms to get:
6(p) = 9(p+9)
Then you want to get p by itself.
- Multiply the 9 out:
- 6p = 9p+81
- Subtract 9p from both sides:
- -3p = 81
- Divide -3 both sides to get p by itself:
- p = -27