2(2d+4)=d+15

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Solution for 2(2d+4)=d+15 equation:


Simplifying
2(2d + 4) = d + 15

Reorder the terms:
2(4 + 2d) = d + 15
(4 * 2 + 2d * 2) = d + 15
(8 + 4d) = d + 15

Reorder the terms:
8 + 4d = 15 + d

Solving
8 + 4d = 15 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
8 + 4d + -1d = 15 + d + -1d

Combine like terms: 4d + -1d = 3d
8 + 3d = 15 + d + -1d

Combine like terms: d + -1d = 0
8 + 3d = 15 + 0
8 + 3d = 15

Add '-8' to each side of the equation.
8 + -8 + 3d = 15 + -8

Combine like terms: 8 + -8 = 0
0 + 3d = 15 + -8
3d = 15 + -8

Combine like terms: 15 + -8 = 7
3d = 7

Divide each side by '3'.
d = 2.333333333

Simplifying
d = 2.333333333

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