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Mathematics 15 Online
OpenStudy (anonymous):

Evaluate 2x2 − 5y 3x − y when x = 2 and y = -4.

OpenStudy (anonymous):

replace all x's with 2 and all y's with -4

OpenStudy (hockeychick23):

2(2^2)-5(-4)=? 3(2)-(-4)=?

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