30+x+x=180

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Solution for 30+x+x=180 equation: 


Simplifying
30 + x + x = 180

Combine like terms: x + x = 2x
30 + 2x = 180

Solving
30 + 2x = 180

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 2x = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 2x = 180 + -30
2x = 180 + -30

Combine like terms: 180 + -30 = 150
2x = 150

Divide each side by '2'.
x = 75

Simplifying
x = 75

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