9x+7=9x-4

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


Simplifying
9x + 7 = 9x + -4

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

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

Add '-9x' to each side of the equation.
7 + 9x + -9x = -4 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 + 0 = -4 + 9x + -9x
7 = -4 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 = -4 + 0
7 = -4

Solving
7 = -4

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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