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Mathematics 21 Online
OpenStudy (anonymous):

3. How many solutions are there to the following system of equations? 3x + 7y = –10 15x + 35y = –45 (Points : 4) 0 1 2 infinitely many

Nnesha (nnesha):

you can graph both equations or you can use elimination method if you wanna do elimination method then multiply first equation by -5

Nnesha (nnesha):

|dw:1420841949072:dw| multiply first equation by -5 and let me know what you get

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