Answer:
X=7
Step-by-step explanation:
Multiply your 4 out on the left side to get
4x-12+x=2x+9
combine like terms on left side
5x-12=2x+9
get the x's by them selves
3x=21
divide both sides by 3
x=7
hope this helps
w = 2/7
You do 8 divided by 4 over 7, which is 2/7.