Answer:
-7
Step-by-step explanation:
substitute both x's for 7:
(-8(7)+4)+ (3(7)2+5)
= -54 + 47
= -7
1232
12
72 divided by 6 equals 12
- 3
960
(3, -3) is correct
-4 × 3 = -12. -12 + 9 = -3