7D+3D=50

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Solution for 7D+3D=50 equation: 


Simplifying
7D + 3D = 50

Combine like terms: 7D + 3D = 10D
10D = 50

Solving
10D = 50

Solving for variable 'D'.

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

Divide each side by '10'.
D = 5

Simplifying
D = 5

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