7d-2d+d+7=2d

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


Simplifying
7d + -2d + d + 7 = 2d

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

Combine like terms: 7d + -2d = 5d
7 + 5d + d = 2d

Combine like terms: 5d + d = 6d
7 + 6d = 2d

Solving
7 + 6d = 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 + 6d + -2d = 2d + -2d

Combine like terms: 6d + -2d = 4d
7 + 4d = 2d + -2d

Combine like terms: 2d + -2d = 0
7 + 4d = 0

Add '-7' to each side of the equation.
7 + -7 + 4d = 0 + -7

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

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

Divide each side by '4'.
d = -1.75

Simplifying
d = -1.75

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