(6c+9)-(6c-12)=

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Solution for (6c+9)-(6c-12)= equation:


Simplifying
(6c + 9) + -1(6c + -12) = 0

Reorder the terms:
(9 + 6c) + -1(6c + -12) = 0

Remove parenthesis around (9 + 6c)
9 + 6c + -1(6c + -12) = 0

Reorder the terms:
9 + 6c + -1(-12 + 6c) = 0
9 + 6c + (-12 * -1 + 6c * -1) = 0
9 + 6c + (12 + -6c) = 0

Reorder the terms:
9 + 12 + 6c + -6c = 0

Combine like terms: 9 + 12 = 21
21 + 6c + -6c = 0

Combine like terms: 6c + -6c = 0
21 + 0 = 0
21 = 0

Solving
21 = 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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