-2(D-3)=12

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


Simplifying
-2(D + -3) = 12

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

Solving
6 + -2D = 12

Solving for variable 'D'.

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

Add '-6' to each side of the equation.
6 + -6 + -2D = 12 + -6

Combine like terms: 6 + -6 = 0
0 + -2D = 12 + -6
-2D = 12 + -6

Combine like terms: 12 + -6 = 6
-2D = 6

Divide each side by '-2'.
D = -3

Simplifying
D = -3

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