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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