d+3=2(9-d)

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Solution for d+3=2(9-d) equation:


Simplifying
d + 3 = 2(9 + -1d)

Reorder the terms:
3 + d = 2(9 + -1d)
3 + d = (9 * 2 + -1d * 2)
3 + d = (18 + -2d)

Solving
3 + d = 18 + -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.
3 + d + 2d = 18 + -2d + 2d

Combine like terms: d + 2d = 3d
3 + 3d = 18 + -2d + 2d

Combine like terms: -2d + 2d = 0
3 + 3d = 18 + 0
3 + 3d = 18

Add '-3' to each side of the equation.
3 + -3 + 3d = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 3d = 18 + -3
3d = 18 + -3

Combine like terms: 18 + -3 = 15
3d = 15

Divide each side by '3'.
d = 5

Simplifying
d = 5

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