8d-d+5d-9=3d

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Solution for 8d-d+5d-9=3d equation:


Simplifying
8d + -1d + 5d + -9 = 3d

Reorder the terms:
-9 + 8d + -1d + 5d = 3d

Combine like terms: 8d + -1d = 7d
-9 + 7d + 5d = 3d

Combine like terms: 7d + 5d = 12d
-9 + 12d = 3d

Solving
-9 + 12d = 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.
-9 + 12d + -3d = 3d + -3d

Combine like terms: 12d + -3d = 9d
-9 + 9d = 3d + -3d

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

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

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

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

Divide each side by '9'.
d = 1

Simplifying
d = 1

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