D+2n=84

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Solution for D+2n=84 equation: 


Simplifying
D + 2n = 84

Solving
D + 2n = 84

Solving for variable 'D'.

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

Add '-2n' to each side of the equation.
D + 2n + -2n = 84 + -2n

Combine like terms: 2n + -2n = 0
D + 0 = 84 + -2n
D = 84 + -2n

Simplifying
D = 84 + -2n

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