180=(3x-1)+31+90

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Solution for 180=(3x-1)+31+90 equation:


Simplifying
180 = (3x + -1) + 31 + 90

Reorder the terms:
180 = (-1 + 3x) + 31 + 90

Remove parenthesis around (-1 + 3x)
180 = -1 + 3x + 31 + 90

Reorder the terms:
180 = -1 + 31 + 90 + 3x

Combine like terms: -1 + 31 = 30
180 = 30 + 90 + 3x

Combine like terms: 30 + 90 = 120
180 = 120 + 3x

Solving
180 = 120 + 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 = 120 + 3x + -3x

Combine like terms: 3x + -3x = 0
180 + -3x = 120 + 0
180 + -3x = 120

Add '-180' to each side of the equation.
180 + -180 + -3x = 120 + -180

Combine like terms: 180 + -180 = 0
0 + -3x = 120 + -180
-3x = 120 + -180

Combine like terms: 120 + -180 = -60
-3x = -60

Divide each side by '-3'.
x = 20

Simplifying
x = 20

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