6a+18-6a-12=

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Solution for 6a+18-6a-12= equation: 


Simplifying
6a + 18 + -6a + -12 = 0

Reorder the terms:
18 + -12 + 6a + -6a = 0

Combine like terms: 18 + -12 = 6
6 + 6a + -6a = 0

Combine like terms: 6a + -6a = 0
6 + 0 = 0
6 = 0

Solving
6 = 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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