3X-7=3X+9

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Solution for 3X-7=3X+9 equation: 


Simplifying
3X + -7 = 3X + 9

Reorder the terms:
-7 + 3X = 3X + 9

Reorder the terms:
-7 + 3X = 9 + 3X

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

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

Combine like terms: 3X + -3X = 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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