12d+9=9d+27

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Solution for 12d+9=9d+27 equation:


Simplifying
12d + 9 = 9d + 27

Reorder the terms:
9 + 12d = 9d + 27

Reorder the terms:
9 + 12d = 27 + 9d

Solving
9 + 12d = 27 + 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.
9 + 12d + -9d = 27 + 9d + -9d

Combine like terms: 12d + -9d = 3d
9 + 3d = 27 + 9d + -9d

Combine like terms: 9d + -9d = 0
9 + 3d = 27 + 0
9 + 3d = 27

Add '-9' to each side of the equation.
9 + -9 + 3d = 27 + -9

Combine like terms: 9 + -9 = 0
0 + 3d = 27 + -9
3d = 27 + -9

Combine like terms: 27 + -9 = 18
3d = 18

Divide each side by '3'.
d = 6

Simplifying
d = 6

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