6d+2d-d+9-4d=0

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Solution for 6d+2d-d+9-4d=0 equation:


Simplifying
6d + 2d + -1d + 9 + -4d = 0

Reorder the terms:
9 + 6d + 2d + -1d + -4d = 0

Combine like terms: 6d + 2d = 8d
9 + 8d + -1d + -4d = 0

Combine like terms: 8d + -1d = 7d
9 + 7d + -4d = 0

Combine like terms: 7d + -4d = 3d
9 + 3d = 0

Solving
9 + 3d = 0

Solving for variable 'd'.

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

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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