x+x-40+x+40=180

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Solution for x+x-40+x+40=180 equation: 


Simplifying
x + x + -40 + x + 40 = 180

Reorder the terms:
-40 + 40 + x + x + x = 180

Combine like terms: -40 + 40 = 0
0 + x + x + x = 180
x + x + x = 180

Combine like terms: x + x = 2x
2x + x = 180

Combine like terms: 2x + x = 3x
3x = 180

Solving
3x = 180

Solving for variable 'x'.

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

Divide each side by '3'.
x = 60

Simplifying
x = 60

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