-(2d+3)=12

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


Simplifying
-1(2d + 3) = 12

Reorder the terms:
-1(3 + 2d) = 12
(3 * -1 + 2d * -1) = 12
(-3 + -2d) = 12

Solving
-3 + -2d = 12

Solving for variable 'd'.

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

Add '3' to each side of the equation.
-3 + 3 + -2d = 12 + 3

Combine like terms: -3 + 3 = 0
0 + -2d = 12 + 3
-2d = 12 + 3

Combine like terms: 12 + 3 = 15
-2d = 15

Divide each side by '-2'.
d = -7.5

Simplifying
d = -7.5

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