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Mathematics 7 Online
OpenStudy (logan13):

What is the value of the expression 3 – a – b when a = 15 and b = –3? A. –21 B. –15 C. –9 D. 21

OpenStudy (anonymous):

I think C what do you think @logan13

OpenStudy (igreen):

3 - 15 + 3 Simplify that, first subtract 3 - 15, then add 3

HanAkoSolo (jamierox4ev3r):

All you have to do is plug in the values :)

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