Answer:
D, C, 71, C
Explanation:
1) -5x+6x+21-8x+12
-7x+33
2) 3x+2x+12-4-2x
3x+8
3) (25-14)= 11
4*5*6=120/2=60
11+60=71
Answer first one is b second one is A third one is c and 4th one is A hope it helps
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