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Mathematics 15 Online
OpenStudy (anonymous):

Evaluate 3x - 2 if x = 5

jimthompson5910 (jim_thompson5910):

Replace x with 5 and evaluate the expression like normal

jimthompson5910 (jim_thompson5910):

So 3x-2 becomes 3*5-2

OpenStudy (anonymous):

It's 13...

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