-9d-4=-9d

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Solution for -9d-4=-9d equation: 


Simplifying
-9d + -4 = -9d

Reorder the terms:
-4 + -9d = -9d

Add '9d' to each side of the equation.
-4 + -9d + 9d = -9d + 9d

Combine like terms: -9d + 9d = 0
-4 + 0 = -9d + 9d
-4 = -9d + 9d

Combine like terms: -9d + 9d = 0
-4 = 0

Solving
-4 = 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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