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OpenStudy (anonymous):
determine whether (-1,-2) is a solution of 4x+9y=-6. I just need the answers please. I have 28 questions I need to get thru real quick. Thanks
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OpenStudy (sandra):
4*-1 + 9*-2 = -4 -18 = -22
OpenStudy (sandra):
-22 != -6
OpenStudy (sandra):
so no
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