Question

6) subtract the sum of
2a +7+ 5b-9c and 7b-3a + 9c.
from the sum of
7a + b + 8c and 8-11c-3b-5a.​

Answer 1

Answer:

Step-by-step explanation:

(7a+(-5a)+b+(-3b)+8c+(-11c)+8)-(2a+(-3a)+5b+7b+(-9c)+9c+7

2a-2b-3c+8 -(-a+12b+7)

(2a+a)+(-2b-12b)+3c+(8-7)

3a-14b+3c+1