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OpenStudy (anonymous):
Is (8, -1) a solution of the system, 2x + 3y = 13 and x - y = 9? A. No B. Yes
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OpenStudy (anonymous):
x=8 y=-1 plug those value into both equations if you get 13 and 9 then the answer is yes if not then no. This is how you test if a point is a solution for these problems in general.
OpenStudy (anonymous):
Thanks !! (:
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