Solve the system of equations by using elimination. -8a+7b=-69
-3a-3b=-9
ANSWERS;
A)5,-6
B)-6,5
C)6-3
D)-36

a=6, b=-3 (choice c) Let me know if you need step by step.

Step-by-step explanation:

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i