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Mathematics 12 Online
OpenStudy (anonymous):

Add the equations -7d-7c=14,000 14d+7c=19250 d?=?

OpenStudy (anonymous):

How far have you gotten?

OpenStudy (anonymous):

Add the like terms

OpenStudy (anonymous):

-7d-7c=14,000 14d+7c=19,250 ---------------- 7d=33250 d=4750

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