6d+7=8+4d-4

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Solution for 6d+7=8+4d-4 equation:


Simplifying
6d + 7 = 8 + 4d + -4

Reorder the terms:
7 + 6d = 8 + 4d + -4

Reorder the terms:
7 + 6d = 8 + -4 + 4d

Combine like terms: 8 + -4 = 4
7 + 6d = 4 + 4d

Solving
7 + 6d = 4 + 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.
7 + 6d + -4d = 4 + 4d + -4d

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

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

Add '-7' to each side of the equation.
7 + -7 + 2d = 4 + -7

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

Combine like terms: 4 + -7 = -3
2d = -3

Divide each side by '2'.
d = -1.5

Simplifying
d = -1.5

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