-1x=x-9

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Solution for -1x=x-9 equation:


Simplifying
-1x = x + -9

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

Solving
-1x = -9 + x

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x = 4.5

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