Answer:
y=-2
Step-by-step explanation:
Answer: i put the equation into a calculator so i’m not sure if this is the right answer!!
explanation:
Answer:
-20=0
Step-by-step explanation:
You'll need to isolate 9a on the left side of this equation
Please add 7 to both sides of the eqn, obtaining 9a = 117.
Solve for a by dividing both sides by 9: a = 117/9 = 13 (answer)