3d+6=15

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Solution for 3d+6=15 equation: 


Simplifying
3d + 6 = 15

Reorder the terms:
6 + 3d = 15

Solving
6 + 3d = 15

Solving for variable 'd'.

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

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

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

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

Divide each side by '3'.
d = 3

Simplifying
d = 3

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