2x-4x-9=-2x+7-9

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Solution for 2x-4x-9=-2x+7-9 equation:


Simplifying
2x + -4x + -9 = -2x + 7 + -9

Reorder the terms:
-9 + 2x + -4x = -2x + 7 + -9

Combine like terms: 2x + -4x = -2x
-9 + -2x = -2x + 7 + -9

Reorder the terms:
-9 + -2x = 7 + -9 + -2x

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

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

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

Combine like terms: -2x + 2x = 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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