Question

subtract the sum of a-7b-8 and a+4b from 2a-b-1

Answer 1

Answer:

2b+7

Step-by-step explanation:

(a-7b-8)+(a+4b)=2a-3b-8

subtract from 2a-b-1

additive inverse (-2a+3b+8)

(2a-b-1) +(-2a+3b+8)

=2b+7