9n-3=9n+21

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Solution for 9n-3=9n+21 equation:


Simplifying
9n + -3 = 9n + 21

Reorder the terms:
-3 + 9n = 9n + 21

Reorder the terms:
-3 + 9n = 21 + 9n

Add '-9n' to each side of the equation.
-3 + 9n + -9n = 21 + 9n + -9n

Combine like terms: 9n + -9n = 0
-3 + 0 = 21 + 9n + -9n
-3 = 21 + 9n + -9n

Combine like terms: 9n + -9n = 0
-3 = 21 + 0
-3 = 21

Solving
-3 = 21

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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