x+x-30+180-3x=180

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Solution for x+x-30+180-3x=180 equation: 


Simplifying
x + x + -30 + 180 + -3x = 180

Reorder the terms:
-30 + 180 + x + x + -3x = 180

Combine like terms: -30 + 180 = 150
150 + x + x + -3x = 180

Combine like terms: x + x = 2x
150 + 2x + -3x = 180

Combine like terms: 2x + -3x = -1x
150 + -1x = 180

Solving
150 + -1x = 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 + -1x = 180 + -150

Combine like terms: 150 + -150 = 0
0 + -1x = 180 + -150
-1x = 180 + -150

Combine like terms: 180 + -150 = 30
-1x = 30

Divide each side by '-1'.
x = -30

Simplifying
x = -30

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