12=4(-2d-4)

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Solution for 12=4(-2d-4) equation:


Simplifying
12 = 4(-2d + -4)

Reorder the terms:
12 = 4(-4 + -2d)
12 = (-4 * 4 + -2d * 4)
12 = (-16 + -8d)

Solving
12 = -16 + -8d

Solving for variable 'd'.

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

Add '8d' to each side of the equation.
12 + 8d = -16 + -8d + 8d

Combine like terms: -8d + 8d = 0
12 + 8d = -16 + 0
12 + 8d = -16

Add '-12' to each side of the equation.
12 + -12 + 8d = -16 + -12

Combine like terms: 12 + -12 = 0
0 + 8d = -16 + -12
8d = -16 + -12

Combine like terms: -16 + -12 = -28
8d = -28

Divide each side by '8'.
d = -3.5

Simplifying
d = -3.5

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