180-x=20+4(90-x)

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Solution for 180-x=20+4(90-x) equation:


Simplifying
180 + -1x = 20 + 4(90 + -1x)
180 + -1x = 20 + (90 * 4 + -1x * 4)
180 + -1x = 20 + (360 + -4x)

Combine like terms: 20 + 360 = 380
180 + -1x = 380 + -4x

Solving
180 + -1x = 380 + -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 + -1x + 4x = 380 + -4x + 4x

Combine like terms: -1x + 4x = 3x
180 + 3x = 380 + -4x + 4x

Combine like terms: -4x + 4x = 0
180 + 3x = 380 + 0
180 + 3x = 380

Add '-180' to each side of the equation.
180 + -180 + 3x = 380 + -180

Combine like terms: 180 + -180 = 0
0 + 3x = 380 + -180
3x = 380 + -180

Combine like terms: 380 + -180 = 200
3x = 200

Divide each side by '3'.
x = 66.66666667

Simplifying
x = 66.66666667

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