3(-2d-3)=12

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


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

Reorder the terms:
3(-3 + -2d) = 12
(-3 * 3 + -2d * 3) = 12
(-9 + -6d) = 12

Solving
-9 + -6d = 12

Solving for variable 'd'.

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

Add '9' to each side of the equation.
-9 + 9 + -6d = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -6d = 12 + 9
-6d = 12 + 9

Combine like terms: 12 + 9 = 21
-6d = 21

Divide each side by '-6'.
d = -3.5

Simplifying
d = -3.5

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