4x+7=4x+9

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


Simplifying
4x + 7 = 4x + 9

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

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

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

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

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

Solving
7 = 9

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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