2x-30+40=180

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


Simplifying
2x + -30 + 40 = 180

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

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

Solving
10 + 2x = 180

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 2x = 180 + -10

Combine like terms: 10 + -10 = 0
0 + 2x = 180 + -10
2x = 180 + -10

Combine like terms: 180 + -10 = 170
2x = 170

Divide each side by '2'.
x = 85

Simplifying
x = 85

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