2(-2d-3)=12

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


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

Reorder the terms:
2(-3 + -2d) = 12
(-3 * 2 + -2d * 2) = 12
(-6 + -4d) = 12

Solving
-6 + -4d = 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 + -4d = 12 + 6

Combine like terms: -6 + 6 = 0
0 + -4d = 12 + 6
-4d = 12 + 6

Combine like terms: 12 + 6 = 18
-4d = 18

Divide each side by '-4'.
d = -4.5

Simplifying
d = -4.5

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