3-d=9-3d

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Solution for 3-d=9-3d equation:


Simplifying
3 + -1d = 9 + -3d

Solving
3 + -1d = 9 + -3d

Solving for variable 'd'.

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

Add '3d' to each side of the equation.
3 + -1d + 3d = 9 + -3d + 3d

Combine like terms: -1d + 3d = 2d
3 + 2d = 9 + -3d + 3d

Combine like terms: -3d + 3d = 0
3 + 2d = 9 + 0
3 + 2d = 9

Add '-3' to each side of the equation.
3 + -3 + 2d = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 2d = 9 + -3
2d = 9 + -3

Combine like terms: 9 + -3 = 6
2d = 6

Divide each side by '2'.
d = 3

Simplifying
d = 3

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