Answer:
a-8x+21y-10=19
b-3(x-6y)=6
c-(15-12)=4
Step-by-step explanation:
Here is the answer...
2.57142857143
its i think the first one and the last one
sorry if its wrong but i think it is right
Answers below
1) 4 (x+4)
2) 4x + 16
3) 2x+8
4) 2x+8
5) 3x+9
This is your answer
