9d+d-2d+9=5d

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Solution for 9d+d-2d+9=5d equation:


Simplifying
9d + d + -2d + 9 = 5d

Reorder the terms:
9 + 9d + d + -2d = 5d

Combine like terms: 9d + d = 10d
9 + 10d + -2d = 5d

Combine like terms: 10d + -2d = 8d
9 + 8d = 5d

Solving
9 + 8d = 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
9 + 8d + -5d = 5d + -5d

Combine like terms: 8d + -5d = 3d
9 + 3d = 5d + -5d

Combine like terms: 5d + -5d = 0
9 + 3d = 0

Add '-9' to each side of the equation.
9 + -9 + 3d = 0 + -9

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

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

Divide each side by '3'.
d = -3

Simplifying
d = -3

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