d(300)=680-100(300)

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Solution for d(300)=680-100(300) equation: 


Simplifying
d(300) = 680 + -100(300)

Reorder the terms for easier multiplication:
300d = 680 + -100(300)

Multiply -100 * 300
300d = 680 + -30000

Combine like terms: 680 + -30000 = -29320
300d = -29320

Solving
300d = -29320

Solving for variable 'd'.

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

Divide each side by '300'.
d = -97.73333333

Simplifying
d = -97.73333333

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