-90-9x=30+x

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Solution for -90-9x=30+x equation:


Simplifying
-90 + -9x = 30 + x

Solving
-90 + -9x = 30 + 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 + -9x + -1x = 30 + x + -1x

Combine like terms: -9x + -1x = -10x
-90 + -10x = 30 + x + -1x

Combine like terms: x + -1x = 0
-90 + -10x = 30 + 0
-90 + -10x = 30

Add '90' to each side of the equation.
-90 + 90 + -10x = 30 + 90

Combine like terms: -90 + 90 = 0
0 + -10x = 30 + 90
-10x = 30 + 90

Combine like terms: 30 + 90 = 120
-10x = 120

Divide each side by '-10'.
x = -12

Simplifying
x = -12

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