Question

The handwritting is really bad
Just tell the answer th best working will be marked brainliest (after you follow me)​

Answer 1

X+4x-20= 180
5x=200
X=40

Answer 2

right?

So we can say that x - 20 = 180 - x because we would have to subtract 20 from x to equal its supplement.

So let's add x, and also add 20 to both sides, so we now get:

2x = 200, so x = 100