2(-x)=(-x)+9

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Solution for 2(-x)=(-x)+9 equation:


Simplifying
2(-1x) = (-1x) + 9

Remove parenthesis around (-1x)
2 * -1x = (-1x) + 9

Multiply 2 * -1
-2x = (-1x) + 9

Reorder the terms:
-2x = 9 + (-1x)

Solving
-2x = 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.
-2x + (x) = 9 + (-1x) + (x)
-2x + x = 9 + (-1x) + (x)

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

Combine like terms: (-1x) + x = 0
-1x = 9 + 0
-1x = 9

Divide each side by '-1'.
x = -9

Simplifying
x = -9

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