Elisa123 Elisa123
  • 04-03-2016
  • Mathematics
contestada

Plz help figure out this problem
Also m has to be the exact same number
m+2m+7=m+11

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sigley sigley
  • 04-03-2016
m+2m+7=m+11
m+2m-m=11-7
         2m=4
            m=2
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apologiabiology
apologiabiology apologiabiology
  • 04-03-2016
remember you can add m's together
1m+2m=3m
so we have
3m+7=m+11
subtract 1m frmo both sides
3m-1m+7=m-m+11
2m+7=0+11
subtract 7 from both sides
2m=11-7
2m=4
divid eobh tisdes by 2
2/2m=4/2
1m=4/2
m=2

m=2
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