x+20+3x-20=180

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Solution for x+20+3x-20=180 equation: 


Simplifying
x + 20 + 3x + -20 = 180

Reorder the terms:
20 + -20 + x + 3x = 180

Combine like terms: 20 + -20 = 0
0 + x + 3x = 180
x + 3x = 180

Combine like terms: x + 3x = 4x
4x = 180

Solving
4x = 180

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '4'.
x = 45

Simplifying
x = 45

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