-2x-90=-9x+120

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Solution for -2x-90=-9x+120 equation:


Simplifying
-2x + -90 = -9x + 120

Reorder the terms:
-90 + -2x = -9x + 120

Reorder the terms:
-90 + -2x = 120 + -9x

Solving
-90 + -2x = 120 + -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 + -2x + 9x = 120 + -9x + 9x

Combine like terms: -2x + 9x = 7x
-90 + 7x = 120 + -9x + 9x

Combine like terms: -9x + 9x = 0
-90 + 7x = 120 + 0
-90 + 7x = 120

Add '90' to each side of the equation.
-90 + 90 + 7x = 120 + 90

Combine like terms: -90 + 90 = 0
0 + 7x = 120 + 90
7x = 120 + 90

Combine like terms: 120 + 90 = 210
7x = 210

Divide each side by '7'.
x = 30

Simplifying
x = 30

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