Answer:
a = 3.2
Step-by-step explanation:
2( -a - 8) + 7a = 0
-2a -16 + 7a = 0
5a - 16 = 0
5a = 16
a = 16/5
a = 3.2
- 18
2- 20
= -18
Because you do the same thing just going to end up with a negative.
Answer:
use photo math
Step-by-step explanation
its an app you can get on phone