9d+12=9d-7

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Solution for 9d+12=9d-7 equation:


Simplifying
9d + 12 = 9d + -7

Reorder the terms:
12 + 9d = 9d + -7

Reorder the terms:
12 + 9d = -7 + 9d

Add '-9d' to each side of the equation.
12 + 9d + -9d = -7 + 9d + -9d

Combine like terms: 9d + -9d = 0
12 + 0 = -7 + 9d + -9d
12 = -7 + 9d + -9d

Combine like terms: 9d + -9d = 0
12 = -7 + 0
12 = -7

Solving
12 = -7

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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