90-x=30+2(180-x)

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Solution for 90-x=30+2(180-x) equation:


Simplifying
90 + -1x = 30 + 2(180 + -1x)
90 + -1x = 30 + (180 * 2 + -1x * 2)
90 + -1x = 30 + (360 + -2x)

Combine like terms: 30 + 360 = 390
90 + -1x = 390 + -2x

Solving
90 + -1x = 390 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
90 + -1x + 2x = 390 + -2x + 2x

Combine like terms: -1x + 2x = 1x
90 + 1x = 390 + -2x + 2x

Combine like terms: -2x + 2x = 0
90 + 1x = 390 + 0
90 + 1x = 390

Add '-90' to each side of the equation.
90 + -90 + 1x = 390 + -90

Combine like terms: 90 + -90 = 0
0 + 1x = 390 + -90
1x = 390 + -90

Combine like terms: 390 + -90 = 300
1x = 300

Divide each side by '1'.
x = 300

Simplifying
x = 300

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