9-3d=-(3d-9)

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Solution for 9-3d=-(3d-9) equation: 


Simplifying
9 + -3d = -1(3d + -9)

Reorder the terms:
9 + -3d = -1(-9 + 3d)
9 + -3d = (-9 * -1 + 3d * -1)
9 + -3d = (9 + -3d)

Add '-9' to each side of the equation.
9 + -9 + -3d = 9 + -9 + -3d

Combine like terms: 9 + -9 = 0
0 + -3d = 9 + -9 + -3d
-3d = 9 + -9 + -3d

Combine like terms: 9 + -9 = 0
-3d = 0 + -3d
-3d = -3d

Add '3d' to each side of the equation.
-3d + 3d = -3d + 3d

Combine like terms: -3d + 3d = 0
0 = -3d + 3d

Combine like terms: -3d + 3d = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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