3d+15=6d+6

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Solution for 3d+15=6d+6 equation:


Simplifying
3d + 15 = 6d + 6

Reorder the terms:
15 + 3d = 6d + 6

Reorder the terms:
15 + 3d = 6 + 6d

Solving
15 + 3d = 6 + 6d

Solving for variable 'd'.

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

Add '-6d' to each side of the equation.
15 + 3d + -6d = 6 + 6d + -6d

Combine like terms: 3d + -6d = -3d
15 + -3d = 6 + 6d + -6d

Combine like terms: 6d + -6d = 0
15 + -3d = 6 + 0
15 + -3d = 6

Add '-15' to each side of the equation.
15 + -15 + -3d = 6 + -15

Combine like terms: 15 + -15 = 0
0 + -3d = 6 + -15
-3d = 6 + -15

Combine like terms: 6 + -15 = -9
-3d = -9

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

Simplifying
d = 3

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