x-20=2(180-x)

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


Simplifying
x + -20 = 2(180 + -1x)

Reorder the terms:
-20 + x = 2(180 + -1x)
-20 + x = (180 * 2 + -1x * 2)
-20 + x = (360 + -2x)

Solving
-20 + x = 360 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-20 + x + 2x = 360 + -2x + 2x

Combine like terms: x + 2x = 3x
-20 + 3x = 360 + -2x + 2x

Combine like terms: -2x + 2x = 0
-20 + 3x = 360 + 0
-20 + 3x = 360

Add '20' to each side of the equation.
-20 + 20 + 3x = 360 + 20

Combine like terms: -20 + 20 = 0
0 + 3x = 360 + 20
3x = 360 + 20

Combine like terms: 360 + 20 = 380
3x = 380

Divide each side by '3'.
x = 126.6666667

Simplifying
x = 126.6666667

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