120+30+x=180

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Solution for 120+30+x=180 equation: 


Simplifying
120 + 30 + x = 180

Combine like terms: 120 + 30 = 150
150 + x = 180

Solving
150 + x = 180

Solving for variable 'x'.

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

Add '-150' to each side of the equation.
150 + -150 + x = 180 + -150

Combine like terms: 150 + -150 = 0
0 + x = 180 + -150
x = 180 + -150

Combine like terms: 180 + -150 = 30
x = 30

Simplifying
x = 30

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