120+x+15=180

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Solution for 120+x+15=180 equation: 


Simplifying
120 + x + 15 = 180

Reorder the terms:
120 + 15 + x = 180

Combine like terms: 120 + 15 = 135
135 + x = 180

Solving
135 + x = 180

Solving for variable 'x'.

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

Add '-135' to each side of the equation.
135 + -135 + x = 180 + -135

Combine like terms: 135 + -135 = 0
0 + x = 180 + -135
x = 180 + -135

Combine like terms: 180 + -135 = 45
x = 45

Simplifying
x = 45

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