x-30+70=180

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Solution for x-30+70=180 equation: 


Simplifying
x + -30 + 70 = 180

Reorder the terms:
-30 + 70 + x = 180

Combine like terms: -30 + 70 = 40
40 + x = 180

Solving
40 + x = 180

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + x = 180 + -40

Combine like terms: 40 + -40 = 0
0 + x = 180 + -40
x = 180 + -40

Combine like terms: 180 + -40 = 140
x = 140

Simplifying
x = 140

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