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

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Solution for 7d-d+3d-2-2d=0 equation:


Simplifying
7d + -1d + 3d + -2 + -2d = 0

Reorder the terms:
-2 + 7d + -1d + 3d + -2d = 0

Combine like terms: 7d + -1d = 6d
-2 + 6d + 3d + -2d = 0

Combine like terms: 6d + 3d = 9d
-2 + 9d + -2d = 0

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

Solving
-2 + 7d = 0

Solving for variable 'd'.

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

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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