Solve for x
x=20
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180-x+120+4x=360
Multiply both sides of the equation by 2.
300-x+4x=360
Add 180 and 120 to get 300.
-x+4x=360-300
Subtract 300 from both sides.
-x+4x=60
Subtract 300 from 360 to get 60.
3x=60
Combine -x and 4x to get 3x.
x=\frac{60}{3}
Divide both sides by 3.
x=20
Divide 60 by 3 to get 20.
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