8-4d=3(d+12)

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Solution for 8-4d=3(d+12) equation:


Simplifying
8 + -4d = 3(d + 12)

Reorder the terms:
8 + -4d = 3(12 + d)
8 + -4d = (12 * 3 + d * 3)
8 + -4d = (36 + 3d)

Solving
8 + -4d = 36 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
8 + -4d + -3d = 36 + 3d + -3d

Combine like terms: -4d + -3d = -7d
8 + -7d = 36 + 3d + -3d

Combine like terms: 3d + -3d = 0
8 + -7d = 36 + 0
8 + -7d = 36

Add '-8' to each side of the equation.
8 + -8 + -7d = 36 + -8

Combine like terms: 8 + -8 = 0
0 + -7d = 36 + -8
-7d = 36 + -8

Combine like terms: 36 + -8 = 28
-7d = 28

Divide each side by '-7'.
d = -4

Simplifying
d = -4

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