3d+7d=30

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Solution for 3d+7d=30 equation: 


Simplifying
3d + 7d = 30

Combine like terms: 3d + 7d = 10d
10d = 30

Solving
10d = 30

Solving for variable 'd'.

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

Divide each side by '10'.
d = 3

Simplifying
d = 3

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