3d+3d+3d-9d=12

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Solution for 3d+3d+3d-9d=12 equation: 


Simplifying
3d + 3d + 3d + -9d = 12

Combine like terms: 3d + 3d = 6d
6d + 3d + -9d = 12

Combine like terms: 6d + 3d = 9d
9d + -9d = 12

Combine like terms: 9d + -9d = 0
0 = 12

Solving
0 = 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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