x=12-90(2)-x

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


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

Multiply -90 * 2
x = 12 + -180 + -1x

Combine like terms: 12 + -180 = -168
x = -168 + -1x

Solving
x = -168 + -1x

Solving for variable 'x'.

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

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

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

Combine like terms: -1x + x = 0
2x = -168 + 0
2x = -168

Divide each side by '2'.
x = -84

Simplifying
x = -84

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