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Mathematics 21 Online
OpenStudy (anonymous):

Evaluate the expression for a = –1 and b = 5. 5a – 7

jimthompson5910 (jim_thompson5910):

Replace 'a' with -1 To go from 5a – 7 to 5(-1) – 7

jimthompson5910 (jim_thompson5910):

From here, evaluate to find the answer

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