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Mathematics 17 Online
OpenStudy (anonymous):

2m+n=-5 2m+3n=7

OpenStudy (unklerhaukus):

second equation minus the first 2n=12 n=6

OpenStudy (unklerhaukus):

2m+6=-5 2m=-11 m=-11/2

OpenStudy (anonymous):

ok this is where im lost. i was gonna do it as 2m+2m=4m and n+3n=4n, -5+7=2. Is that right?

OpenStudy (anonymous):

so my answer then would be 4m+4n=2?

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