4D-12=

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Solution for 4D-12= equation: 


Simplifying
4D + -12 = 0

Reorder the terms:
-12 + 4D = 0

Solving
-12 + 4D = 0

Solving for variable 'D'.

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

Add '12' to each side of the equation.
-12 + 12 + 4D = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 4D = 0 + 12
4D = 0 + 12

Combine like terms: 0 + 12 = 12
4D = 12

Divide each side by '4'.
D = 3

Simplifying
D = 3

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