Answer:
- 9x + 12
Step-by-step explanation:
Given
(- 7x + 4) - (2x - 8) ← distribute parenthesis by 1 and - 1
= - 7x + 4 - 2x + 8 ← collect like terms
= - 9x + 12
20) yes
21) -1
22) 1
23) -4
Answer: H
PO
hope this help you
of my handwriting is bad then sorry.
The first one