12D=336-9D

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Solution for 12D=336-9D equation: 


Simplifying
12D = 336 + -9D

Solving
12D = 336 + -9D

Solving for variable 'D'.

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

Add '9D' to each side of the equation.
12D + 9D = 336 + -9D + 9D

Combine like terms: 12D + 9D = 21D
21D = 336 + -9D + 9D

Combine like terms: -9D + 9D = 0
21D = 336 + 0
21D = 336

Divide each side by '21'.
D = 16

Simplifying
D = 16

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