3x-6x-9=-3x+7-9

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Solution for 3x-6x-9=-3x+7-9 equation:


Simplifying
3x + -6x + -9 = -3x + 7 + -9

Reorder the terms:
-9 + 3x + -6x = -3x + 7 + -9

Combine like terms: 3x + -6x = -3x
-9 + -3x = -3x + 7 + -9

Reorder the terms:
-9 + -3x = 7 + -9 + -3x

Combine like terms: 7 + -9 = -2
-9 + -3x = -2 + -3x

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

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

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

Solving
-9 = -2

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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