x-90=90-5x

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Solution for x-90=90-5x equation:


Simplifying
x + -90 = 90 + -5x

Reorder the terms:
-90 + x = 90 + -5x

Solving
-90 + x = 90 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-90 + x + 5x = 90 + -5x + 5x

Combine like terms: x + 5x = 6x
-90 + 6x = 90 + -5x + 5x

Combine like terms: -5x + 5x = 0
-90 + 6x = 90 + 0
-90 + 6x = 90

Add '90' to each side of the equation.
-90 + 90 + 6x = 90 + 90

Combine like terms: -90 + 90 = 0
0 + 6x = 90 + 90
6x = 90 + 90

Combine like terms: 90 + 90 = 180
6x = 180

Divide each side by '6'.
x = 30

Simplifying
x = 30

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