9d-2d-d+8=5d

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Solution for 9d-2d-d+8=5d equation:


Simplifying
9d + -2d + -1d + 8 = 5d

Reorder the terms:
8 + 9d + -2d + -1d = 5d

Combine like terms: 9d + -2d = 7d
8 + 7d + -1d = 5d

Combine like terms: 7d + -1d = 6d
8 + 6d = 5d

Solving
8 + 6d = 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.
8 + 6d + -5d = 5d + -5d

Combine like terms: 6d + -5d = 1d
8 + 1d = 5d + -5d

Combine like terms: 5d + -5d = 0
8 + 1d = 0

Add '-8' to each side of the equation.
8 + -8 + 1d = 0 + -8

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

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

Divide each side by '1'.
d = -8

Simplifying
d = -8

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