6d-4d+2d-9=5d

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Solution for 6d-4d+2d-9=5d equation:


Simplifying
6d + -4d + 2d + -9 = 5d

Reorder the terms:
-9 + 6d + -4d + 2d = 5d

Combine like terms: 6d + -4d = 2d
-9 + 2d + 2d = 5d

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

Solving
-9 + 4d = 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 + 4d + -5d = 5d + -5d

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

Combine like terms: 5d + -5d = 0
-9 + -1d = 0

Add '9' to each side of the equation.
-9 + 9 + -1d = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -1d = 0 + 9
-1d = 0 + 9

Combine like terms: 0 + 9 = 9
-1d = 9

Divide each side by '-1'.
d = -9

Simplifying
d = -9

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