(90-7x)=x-126

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Solution for (90-7x)=x-126 equation:


Simplifying
(90 + -7x) = x + -126

Remove parenthesis around (90 + -7x)
90 + -7x = x + -126

Reorder the terms:
90 + -7x = -126 + x

Solving
90 + -7x = -126 + 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.
90 + -7x + -1x = -126 + x + -1x

Combine like terms: -7x + -1x = -8x
90 + -8x = -126 + x + -1x

Combine like terms: x + -1x = 0
90 + -8x = -126 + 0
90 + -8x = -126

Add '-90' to each side of the equation.
90 + -90 + -8x = -126 + -90

Combine like terms: 90 + -90 = 0
0 + -8x = -126 + -90
-8x = -126 + -90

Combine like terms: -126 + -90 = -216
-8x = -216

Divide each side by '-8'.
x = 27

Simplifying
x = 27

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