-12d+9d+-18=12

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Solution for -12d+9d+-18=12 equation:


Simplifying
-12d + 9d + -18 = 12

Reorder the terms:
-18 + -12d + 9d = 12

Combine like terms: -12d + 9d = -3d
-18 + -3d = 12

Solving
-18 + -3d = 12

Solving for variable 'd'.

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

Add '18' to each side of the equation.
-18 + 18 + -3d = 12 + 18

Combine like terms: -18 + 18 = 0
0 + -3d = 12 + 18
-3d = 12 + 18

Combine like terms: 12 + 18 = 30
-3d = 30

Divide each side by '-3'.
d = -10

Simplifying
d = -10

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