-9d-12=-2(d+6)-7d

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Solution for -9d-12=-2(d+6)-7d equation:


Simplifying
-9d + -12 = -2(d + 6) + -7d

Reorder the terms:
-12 + -9d = -2(d + 6) + -7d

Reorder the terms:
-12 + -9d = -2(6 + d) + -7d
-12 + -9d = (6 * -2 + d * -2) + -7d
-12 + -9d = (-12 + -2d) + -7d

Combine like terms: -2d + -7d = -9d
-12 + -9d = -12 + -9d

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

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

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

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

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

Combine like terms: -9d + 9d = 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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