3d+6=2d+15

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Solution for 3d+6=2d+15 equation:


Simplifying
3d + 6 = 2d + 15

Reorder the terms:
6 + 3d = 2d + 15

Reorder the terms:
6 + 3d = 15 + 2d

Solving
6 + 3d = 15 + 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
6 + 3d + -2d = 15 + 2d + -2d

Combine like terms: 3d + -2d = 1d
6 + 1d = 15 + 2d + -2d

Combine like terms: 2d + -2d = 0
6 + 1d = 15 + 0
6 + 1d = 15

Add '-6' to each side of the equation.
6 + -6 + 1d = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 1d = 15 + -6
1d = 15 + -6

Combine like terms: 15 + -6 = 9
1d = 9

Divide each side by '1'.
d = 9

Simplifying
d = 9

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