7d+2d+3d+7=2d

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


Simplifying
7d + 2d + 3d + 7 = 2d

Reorder the terms:
7 + 7d + 2d + 3d = 2d

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

Combine like terms: 9d + 3d = 12d
7 + 12d = 2d

Solving
7 + 12d = 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
7 + 12d + -2d = 2d + -2d

Combine like terms: 12d + -2d = 10d
7 + 10d = 2d + -2d

Combine like terms: 2d + -2d = 0
7 + 10d = 0

Add '-7' to each side of the equation.
7 + -7 + 10d = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 10d = 0 + -7
10d = 0 + -7

Combine like terms: 0 + -7 = -7
10d = -7

Divide each side by '10'.
d = -0.7

Simplifying
d = -0.7

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