4*(-2d-3)=12

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Solution for 4*(-2d-3)=12 equation: 


Simplifying
4(-2d + -3) = 12

Reorder the terms:
4(-3 + -2d) = 12
(-3 * 4 + -2d * 4) = 12
(-12 + -8d) = 12

Solving
-12 + -8d = 12

Solving for variable 'd'.

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

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

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

Combine like terms: 12 + 12 = 24
-8d = 24

Divide each side by '-8'.
d = -3

Simplifying
d = -3

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