-3x=-x+9

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


Simplifying
-3x = -1x + 9

Reorder the terms:
-3x = 9 + -1x

Solving
-3x = 9 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-3x + x = 9 + -1x + x

Combine like terms: -3x + x = -2x
-2x = 9 + -1x + x

Combine like terms: -1x + x = 0
-2x = 9 + 0
-2x = 9

Divide each side by '-2'.
x = -4.5

Simplifying
x = -4.5

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