Answer:
-6
Step-by-step explanation:

Answer:
I think it’s B but I’m not 100% sure
7x and x+20 lie on the straight line so they will equal to 180. So now we can add them and set them equal to 180 so we can solve for x.
7x + x + 20 = 180
8x + 20 = 180
8x = 160
x = 20.
So the value of x is 20
Hope I helped :)
Answer:
Step-by-step explanation:
-1/2x+3-4x+5+3/2x
=-1/2x+3/2x-4x+3+5
=x-4x+8
=-3x+8
Answer:
last choice plz mark brainliest