D+13=2d

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Solution for D+13=2d equation: 


Simplifying
D + 13 = 2d

Reorder the terms:
13 + D = 2d

Solving
13 + D = 2d

Solving for variable 'D'.

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

Add '-13' to each side of the equation.
13 + -13 + D = -13 + 2d

Combine like terms: 13 + -13 = 0
0 + D = -13 + 2d
D = -13 + 2d

Simplifying
D = -13 + 2d

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