20(2d+1d)=480

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Solution for 20(2d+1d)=480 equation: 


Simplifying
20(2d + 1d) = 480

Combine like terms: 2d + 1d = 3d
20(3d) = 480

Remove parenthesis around (3d)
20 * 3d = 480

Multiply 20 * 3
60d = 480

Solving
60d = 480

Solving for variable 'd'.

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

Divide each side by '60'.
d = 8

Simplifying
d = 8

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