(x+31)+(x+31)+90=180

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Solution for (x+31)+(x+31)+90=180 equation: 


Simplifying
(x + 31) + (x + 31) + 90 = 180

Reorder the terms:
(31 + x) + (x + 31) + 90 = 180

Remove parenthesis around (31 + x)
31 + x + (x + 31) + 90 = 180

Reorder the terms:
31 + x + (31 + x) + 90 = 180

Remove parenthesis around (31 + x)
31 + x + 31 + x + 90 = 180

Reorder the terms:
31 + 31 + 90 + x + x = 180

Combine like terms: 31 + 31 = 62
62 + 90 + x + x = 180

Combine like terms: 62 + 90 = 152
152 + x + x = 180

Combine like terms: x + x = 2x
152 + 2x = 180

Solving
152 + 2x = 180

Solving for variable 'x'.

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

Add '-152' to each side of the equation.
152 + -152 + 2x = 180 + -152

Combine like terms: 152 + -152 = 0
0 + 2x = 180 + -152
2x = 180 + -152

Combine like terms: 180 + -152 = 28
2x = 28

Divide each side by '2'.
x = 14

Simplifying
x = 14

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