2(90-x)-12=x

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


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

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

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

Solving
168 + -2x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
168 + -2x + -1x = x + -1x

Combine like terms: -2x + -1x = -3x
168 + -3x = x + -1x

Combine like terms: x + -1x = 0
168 + -3x = 0

Add '-168' to each side of the equation.
168 + -168 + -3x = 0 + -168

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

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

Divide each side by '-3'.
x = 56

Simplifying
x = 56

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