-9=-x-x-3

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


Simplifying
-9 = -1x + -1x + -3

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

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

Solving
-9 = -3 + -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 + 2x = -3 + -2x + 2x

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

Add '9' to each side of the equation.
-9 + 9 + 2x = -3 + 9

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

Combine like terms: -3 + 9 = 6
2x = 6

Divide each side by '2'.
x = 3

Simplifying
x = 3

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