180-x=30+3(90-x)

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Solution for 180-x=30+3(90-x) equation: 


Simplifying
180 + -1x = 30 + 3(90 + -1x)
180 + -1x = 30 + (90 * 3 + -1x * 3)
180 + -1x = 30 + (270 + -3x)

Combine like terms: 30 + 270 = 300
180 + -1x = 300 + -3x

Solving
180 + -1x = 300 + -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 + -1x + 3x = 300 + -3x + 3x

Combine like terms: -1x + 3x = 2x
180 + 2x = 300 + -3x + 3x

Combine like terms: -3x + 3x = 0
180 + 2x = 300 + 0
180 + 2x = 300

Add '-180' to each side of the equation.
180 + -180 + 2x = 300 + -180

Combine like terms: 180 + -180 = 0
0 + 2x = 300 + -180
2x = 300 + -180

Combine like terms: 300 + -180 = 120
2x = 120

Divide each side by '2'.
x = 60

Simplifying
x = 60

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