-3d-6=9d+30

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Solution for -3d-6=9d+30 equation:


Simplifying
-3d + -6 = 9d + 30

Reorder the terms:
-6 + -3d = 9d + 30

Reorder the terms:
-6 + -3d = 30 + 9d

Solving
-6 + -3d = 30 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
-6 + -3d + -9d = 30 + 9d + -9d

Combine like terms: -3d + -9d = -12d
-6 + -12d = 30 + 9d + -9d

Combine like terms: 9d + -9d = 0
-6 + -12d = 30 + 0
-6 + -12d = 30

Add '6' to each side of the equation.
-6 + 6 + -12d = 30 + 6

Combine like terms: -6 + 6 = 0
0 + -12d = 30 + 6
-12d = 30 + 6

Combine like terms: 30 + 6 = 36
-12d = 36

Divide each side by '-12'.
d = -3

Simplifying
d = -3

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