5d-d-3d+7=3d

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Solution for 5d-d-3d+7=3d equation:


Simplifying
5d + -1d + -3d + 7 = 3d

Reorder the terms:
7 + 5d + -1d + -3d = 3d

Combine like terms: 5d + -1d = 4d
7 + 4d + -3d = 3d

Combine like terms: 4d + -3d = 1d
7 + 1d = 3d

Solving
7 + 1d = 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.
7 + 1d + -3d = 3d + -3d

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

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

Add '-7' to each side of the equation.
7 + -7 + -2d = 0 + -7

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

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

Divide each side by '-2'.
d = 3.5

Simplifying
d = 3.5

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