Answer:
it just looks confusing sry
Explanation:
but im usually good at these but it just looks confusing on this one, but maybe it is A. idk sry good luck
x =40
x and 4x-20 form a straight line which means they add to 180
x+4x-20 = 180
Combine like terms
5x -20 =180
Add 20 to each side
5x = 200
Divide by 5
5x/5 = 200/5
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