x=2(90-x)-12

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Solution for x=2(90-x)-12 equation: 


Simplifying
x = 2(90 + -1x) + -12
x = (90 * 2 + -1x * 2) + -12
x = (180 + -2x) + -12

Reorder the terms:
x = 180 + -12 + -2x

Combine like terms: 180 + -12 = 168
x = 168 + -2x

Solving
x = 168 + -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.
x + 2x = 168 + -2x + 2x

Combine like terms: x + 2x = 3x
3x = 168 + -2x + 2x

Combine like terms: -2x + 2x = 0
3x = 168 + 0
3x = 168

Divide each side by '3'.
x = 56

Simplifying
x = 56

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