-2(x-20)+x=180

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Solution for -2(x-20)+x=180 equation: 


Simplifying
-2(x + -20) + x = 180

Reorder the terms:
-2(-20 + x) + x = 180
(-20 * -2 + x * -2) + x = 180
(40 + -2x) + x = 180

Combine like terms: -2x + x = -1x
40 + -1x = 180

Solving
40 + -1x = 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 + -1x = 180 + -40

Combine like terms: 40 + -40 = 0
0 + -1x = 180 + -40
-1x = 180 + -40

Combine like terms: 180 + -40 = 140
-1x = 140

Divide each side by '-1'.
x = -140

Simplifying
x = -140

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