9d+4d-d-2=5d

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Solution for 9d+4d-d-2=5d equation:


Simplifying
9d + 4d + -1d + -2 = 5d

Reorder the terms:
-2 + 9d + 4d + -1d = 5d

Combine like terms: 9d + 4d = 13d
-2 + 13d + -1d = 5d

Combine like terms: 13d + -1d = 12d
-2 + 12d = 5d

Solving
-2 + 12d = 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.
-2 + 12d + -5d = 5d + -5d

Combine like terms: 12d + -5d = 7d
-2 + 7d = 5d + -5d

Combine like terms: 5d + -5d = 0
-2 + 7d = 0

Add '2' to each side of the equation.
-2 + 2 + 7d = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 7d = 0 + 2
7d = 0 + 2

Combine like terms: 0 + 2 = 2
7d = 2

Divide each side by '7'.
d = 0.2857142857

Simplifying
d = 0.2857142857

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