7c+9-7c+3=

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


Simplifying
7c + 9 + -7c + 3 = 0

Reorder the terms:
9 + 3 + 7c + -7c = 0

Combine like terms: 9 + 3 = 12
12 + 7c + -7c = 0

Combine like terms: 7c + -7c = 0
12 + 0 = 0
12 = 0

Solving
12 = 0

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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