90-x=18x-18

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Solution for 90-x=18x-18 equation:


Simplifying
90 + -1x = 18x + -18

Reorder the terms:
90 + -1x = -18 + 18x

Solving
90 + -1x = -18 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
90 + -1x + -18x = -18 + 18x + -18x

Combine like terms: -1x + -18x = -19x
90 + -19x = -18 + 18x + -18x

Combine like terms: 18x + -18x = 0
90 + -19x = -18 + 0
90 + -19x = -18

Add '-90' to each side of the equation.
90 + -90 + -19x = -18 + -90

Combine like terms: 90 + -90 = 0
0 + -19x = -18 + -90
-19x = -18 + -90

Combine like terms: -18 + -90 = -108
-19x = -108

Divide each side by '-19'.
x = 5.684210526

Simplifying
x = 5.684210526

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