charityhurst93 charityhurst93
  • 17-04-2017
  • Mathematics
contestada

Double a number is equal to the number decreased by five?

Respuesta :

irspow
irspow irspow
  • 17-04-2017
2n=n-5  subtract n from both sides

n=-5

check...

2(-5)=(-5)-5

-10=-10
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