-3x-90=6x+90

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Solution for -3x-90=6x+90 equation:


Simplifying
-3x + -90 = 6x + 90

Reorder the terms:
-90 + -3x = 6x + 90

Reorder the terms:
-90 + -3x = 90 + 6x

Solving
-90 + -3x = 90 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-90 + -3x + -6x = 90 + 6x + -6x

Combine like terms: -3x + -6x = -9x
-90 + -9x = 90 + 6x + -6x

Combine like terms: 6x + -6x = 0
-90 + -9x = 90 + 0
-90 + -9x = 90

Add '90' to each side of the equation.
-90 + 90 + -9x = 90 + 90

Combine like terms: -90 + 90 = 0
0 + -9x = 90 + 90
-9x = 90 + 90

Combine like terms: 90 + 90 = 180
-9x = 180

Divide each side by '-9'.
x = -20

Simplifying
x = -20

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