Answer:
x = -5
Step-by-step explanation:
3x + 7 = -8
> subtract 7 on both sides
3x = -15
> divide 3 both sides
x=-5
subtract 7 from both sides
3x = -8 - 7
simplify -8 - 7 to -15
divide both sides by 3
x = -15 / 3
simplify 15 / 3 to 5: and you get.
