2x-30+x+20+40=180

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Solution for 2x-30+x+20+40=180 equation: 


Simplifying
2x + -30 + x + 20 + 40 = 180

Reorder the terms:
-30 + 20 + 40 + 2x + x = 180

Combine like terms: -30 + 20 = -10
-10 + 40 + 2x + x = 180

Combine like terms: -10 + 40 = 30
30 + 2x + x = 180

Combine like terms: 2x + x = 3x
30 + 3x = 180

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

Combine like terms: 30 + -30 = 0
0 + 3x = 180 + -30
3x = 180 + -30

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

Divide each side by '3'.
x = 50

Simplifying
x = 50

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