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Linear Algebra
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OpenStudy (anonymous):
Write a linear equation to model the situation. You borrow $70 from your brother. To repay the loan, you pay him $7 per week. Use w to denote the number of weeks and y as the balance on the loan.
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OpenStudy (j2lie):
w+y=7 10w+7y=70 You have to make two equations one using the variables only. And the other one with the numbers.
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