4(2d-9)=-12

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Solution for 4(2d-9)=-12 equation: 


Simplifying
4(2d + -9) = -12

Reorder the terms:
4(-9 + 2d) = -12
(-9 * 4 + 2d * 4) = -12
(-36 + 8d) = -12

Solving
-36 + 8d = -12

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 + 8d = -12 + 36

Combine like terms: -36 + 36 = 0
0 + 8d = -12 + 36
8d = -12 + 36

Combine like terms: -12 + 36 = 24
8d = 24

Divide each side by '8'.
d = 3

Simplifying
d = 3

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