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

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


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

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

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

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

Combine like terms: x + (2x) = 3x
180 = -20 + 3x + x

Combine like terms: 3x + x = 4x
180 = -20 + 4x

Solving
180 = -20 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
180 + -4x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
180 + -4x = -20 + 0
180 + -4x = -20

Add '-180' to each side of the equation.
180 + -180 + -4x = -20 + -180

Combine like terms: 180 + -180 = 0
0 + -4x = -20 + -180
-4x = -20 + -180

Combine like terms: -20 + -180 = -200
-4x = -200

Divide each side by '-4'.
x = 50

Simplifying
x = 50

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