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Mathematics 8 Online
OpenStudy (anonymous):

Determine whether the ordered pair is a solution of the inequality. (-9,9); 3x+y<-7

OpenStudy (anonymous):

since x=-9 and y=9 substitute both values and see if it is true

OpenStudy (anonymous):

3(-9)+9<-7 -27+9<-7 -18<-7 that is true so it is a solution

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