D+2f=15

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Solution for D+2f=15 equation: 


Simplifying
D + 2f = 15

Solving
D + 2f = 15

Solving for variable 'D'.

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

Add '-2f' to each side of the equation.
D + 2f + -2f = 15 + -2f

Combine like terms: 2f + -2f = 0
D + 0 = 15 + -2f
D = 15 + -2f

Simplifying
D = 15 + -2f

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