7x+90-x=

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Solution for 7x+90-x= equation:


Simplifying
7x + 90 + -1x = 0

Reorder the terms:
90 + 7x + -1x = 0

Combine like terms: 7x + -1x = 6x
90 + 6x = 0

Solving
90 + 6x = 0

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 6x = 0 + -90

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

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

Divide each side by '6'.
x = -15

Simplifying
x = -15

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