d(220)=680-100(220)

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Solution for d(220)=680-100(220) equation: 


Simplifying
d(220) = 680 + -100(220)

Reorder the terms for easier multiplication:
220d = 680 + -100(220)

Multiply -100 * 220
220d = 680 + -22000

Combine like terms: 680 + -22000 = -21320
220d = -21320

Solving
220d = -21320

Solving for variable 'd'.

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

Divide each side by '220'.
d = -96.90909091

Simplifying
d = -96.90909091

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