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Mathematics 19 Online
OpenStudy (anonymous):

Evaluate if x = 13 and y = –4. 3(2x – y)

jimthompson5910 (jim_thompson5910):

3(2x – y) 3(2*13 – y)... replace x with 13 3(2*13 – (-4)) ... replace y with -4 3(26 + 4) I'll let you finish

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