simaktz2979
simaktz2979 simaktz2979
  • 06-09-2014
  • Mathematics
contestada

what are the rules for having variables on both sides of the equation?

-2y+5=-4y+7

I know the answer..i just cant understand why?

thx

Respuesta :

konrad509
konrad509 konrad509
  • 06-09-2014
[tex] -2y+5=-4y+7\\ 2y=2\\ y=1[/tex]
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