hansumg
hansumg
20-11-2016
Mathematics
contestada
solve the system of equations 10×+7y=99andy-×=2?
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ajnnajbdf
ajnnajbdf
20-11-2016
You can use substitution and solve y-x=2 for y which is y= x+ 2 and plug it into the y of the other equasion and you get x=5 y=7
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