7d+2d+d+4=4d

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Solution for 7d+2d+d+4=4d equation:


Simplifying
7d + 2d + d + 4 = 4d

Reorder the terms:
4 + 7d + 2d + d = 4d

Combine like terms: 7d + 2d = 9d
4 + 9d + d = 4d

Combine like terms: 9d + d = 10d
4 + 10d = 4d

Solving
4 + 10d = 4d

Solving for variable 'd'.

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

Add '-4d' to each side of the equation.
4 + 10d + -4d = 4d + -4d

Combine like terms: 10d + -4d = 6d
4 + 6d = 4d + -4d

Combine like terms: 4d + -4d = 0
4 + 6d = 0

Add '-4' to each side of the equation.
4 + -4 + 6d = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 6d = 0 + -4
6d = 0 + -4

Combine like terms: 0 + -4 = -4
6d = -4

Divide each side by '6'.
d = -0.6666666667

Simplifying
d = -0.6666666667

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