7x+3=7x+9

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


Simplifying
7x + 3 = 7x + 9

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

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

Add '-7x' to each side of the equation.
3 + 7x + -7x = 9 + 7x + -7x

Combine like terms: 7x + -7x = 0
3 + 0 = 9 + 7x + -7x
3 = 9 + 7x + -7x

Combine like terms: 7x + -7x = 0
3 = 9 + 0
3 = 9

Solving
3 = 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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