12(3+D)=

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Solution for 12(3+D)= equation: 


Simplifying
12(3 + D) = 0
(3 * 12 + D * 12) = 0
(36 + 12D) = 0

Solving
36 + 12D = 0

Solving for variable 'D'.

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

Add '-36' to each side of the equation.
36 + -36 + 12D = 0 + -36

Combine like terms: 36 + -36 = 0
0 + 12D = 0 + -36
12D = 0 + -36

Combine like terms: 0 + -36 = -36
12D = -36

Divide each side by '12'.
D = -3

Simplifying
D = -3

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