180=40+(2x-20)+(x-20)

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


Simplifying
180 = 40 + (2x + -20) + (x + -20)

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

Remove parenthesis around (-20 + 2x)
180 = 40 + -20 + 2x + (x + -20)

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

Remove parenthesis around (-20 + x)
180 = 40 + -20 + 2x + -20 + x

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

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

Combine like terms: 20 + -20 = 0
180 = 0 + 2x + x
180 = 2x + x

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

Solving
180 = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
180 + -3x = 3x + -3x

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

Add '-180' to each side of the equation.
180 + -180 + -3x = 0 + -180

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

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

Divide each side by '-3'.
x = 60

Simplifying
x = 60

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