=9d-7d+3d+2

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Solution for =9d-7d+3d+2 equation:


Simplifying
0 = 9d + -7d + 3d + 2

Reorder the terms:
0 = 2 + 9d + -7d + 3d

Combine like terms: 9d + -7d = 2d
0 = 2 + 2d + 3d

Combine like terms: 2d + 3d = 5d
0 = 2 + 5d

Solving
0 = 2 + 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.
0 + -5d = 2 + 5d + -5d
Remove the zero:
-5d = 2 + 5d + -5d

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

Divide each side by '-5'.
d = -0.4

Simplifying
d = -0.4

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