d(m-9)=d*9-d*-9

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Solution for d(m-9)=d*9-d*-9 equation: 


Simplifying
d(m + -9) = d * 9 + -1d * -9

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

Reorder the terms for easier multiplication:
-9d + dm = 9d + -1d * -9

Reorder the terms for easier multiplication:
-9d + dm = 9d + -1 * -9d

Multiply -1 * -9
-9d + dm = 9d + 9d

Combine like terms: 9d + 9d = 18d
-9d + dm = 18d

Solving
-9d + dm = 18d

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '-18d' to each side of the equation.
-9d + -18d + dm = 18d + -18d

Combine like terms: -9d + -18d = -27d
-27d + dm = 18d + -18d

Combine like terms: 18d + -18d = 0
-27d + dm = 0

Factor out the Greatest Common Factor (GCF), 'd'.
d(-27 + m) = 0


Subproblem 1
Set the factor 'd' equal to zero and attempt to solve:

Simplifying
d = 0

Solving
d = 0

Move all terms containing d to the left, all other terms to the right.

Simplifying
d = 0

Subproblem 2
Set the factor '(-27 + m)' equal to zero and attempt to solve:

Simplifying
-27 + m = 0

Solving
-27 + m = 0

Move all terms containing d to the left, all other terms to the right.

Add '27' to each side of the equation.
-27 + 27 + m = 0 + 27

Combine like terms: -27 + 27 = 0
0 + m = 0 + 27
m = 0 + 27

Combine like terms: 0 + 27 = 27
m = 27

Add '-1m' to each side of the equation.
m + -1m = 27 + -1m

Combine like terms: m + -1m = 0
0 = 27 + -1m

Simplifying
0 = 27 + -1m

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
d = {0}

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