x-9=-2x

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Solution for x-9=-2x equation:


Simplifying
x + -9 = -2x

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

Solving
-9 + x = -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-9 + x + 2x = -2x + 2x

Combine like terms: x + 2x = 3x
-9 + 3x = -2x + 2x

Combine like terms: -2x + 2x = 0
-9 + 3x = 0

Add '9' to each side of the equation.
-9 + 9 + 3x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = 0 + 9
3x = 0 + 9

Combine like terms: 0 + 9 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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