9+x+x=180

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Solution for 9+x+x=180 equation: 


Simplifying
9 + x + x = 180

Combine like terms: x + x = 2x
9 + 2x = 180

Solving
9 + 2x = 180

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 2x = 180 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 180 + -9
2x = 180 + -9

Combine like terms: 180 + -9 = 171
2x = 171

Divide each side by '2'.
x = 85.5

Simplifying
x = 85.5

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