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Mathematics 18 Online
OpenStudy (anonymous):

Can someone please help me with my previous question?

OpenStudy (anonymous):

Someone replied

OpenStudy (anonymous):

not really. LOL

OpenStudy (anonymous):

whats your question

OpenStudy (anonymous):

I got the answer but I have another....if you are willing to help?

OpenStudy (anonymous):

solve using the substitution method 4m+n=18 m-7n=19

OpenStudy (anonymous):

http://sks99.com/ch9/sys/calcsys.htm This should help for future reference. Just plug in your numbers and click for the answer.

OpenStudy (anonymous):

that is an awesome calculators but it doesn't have spots where I can just put in a variable

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