-90-3x=-9x+90

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Solution for -90-3x=-9x+90 equation:


Simplifying
-90 + -3x = -9x + 90

Reorder the terms:
-90 + -3x = 90 + -9x

Solving
-90 + -3x = 90 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-90 + -3x + 9x = 90 + -9x + 9x

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

Combine like terms: -9x + 9x = 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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