7n-3=7n+12

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Solution for 7n-3=7n+12 equation:


Simplifying
7n + -3 = 7n + 12

Reorder the terms:
-3 + 7n = 7n + 12

Reorder the terms:
-3 + 7n = 12 + 7n

Add '-7n' to each side of the equation.
-3 + 7n + -7n = 12 + 7n + -7n

Combine like terms: 7n + -7n = 0
-3 + 0 = 12 + 7n + -7n
-3 = 12 + 7n + -7n

Combine like terms: 7n + -7n = 0
-3 = 12 + 0
-3 = 12

Solving
-3 = 12

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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