7d+12-4d-4=

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Solution for 7d+12-4d-4= equation:


Simplifying
7d + 12 + -4d + -4 = 0

Reorder the terms:
12 + -4 + 7d + -4d = 0

Combine like terms: 12 + -4 = 8
8 + 7d + -4d = 0

Combine like terms: 7d + -4d = 3d
8 + 3d = 0

Solving
8 + 3d = 0

Solving for variable 'd'.

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

Add '-8' to each side of the equation.
8 + -8 + 3d = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 3d = 0 + -8
3d = 0 + -8

Combine like terms: 0 + -8 = -8
3d = -8

Divide each side by '3'.
d = -2.666666667

Simplifying
d = -2.666666667

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