Answer:
5x - 1
Explanation:
3x - 8 + 2x + 7 =
You can combine like terms. Terms with x are like terms. Terms without x are like terms. You can combine the terms that have x together. You can combine the terms without x together.
= 3x + 2x - 8 + 7
Combine 3x + 2x = 5x
= 5x - 8 + 7
Combine - 8 + 7 = -1
= 5x - 1
Answer: 5x - 1