6x+90-x=x

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Solution for 6x+90-x=x equation:


Simplifying
6x + 90 + -1x = x

Reorder the terms:
90 + 6x + -1x = x

Combine like terms: 6x + -1x = 5x
90 + 5x = x

Solving
90 + 5x = 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 + 5x + -1x = x + -1x

Combine like terms: 5x + -1x = 4x
90 + 4x = x + -1x

Combine like terms: x + -1x = 0
90 + 4x = 0

Add '-90' to each side of the equation.
90 + -90 + 4x = 0 + -90

Combine like terms: 90 + -90 = 0
0 + 4x = 0 + -90
4x = 0 + -90

Combine like terms: 0 + -90 = -90
4x = -90

Divide each side by '4'.
x = -22.5

Simplifying
x = -22.5

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