nancyalexis00
nancyalexis00 nancyalexis00
  • 16-09-2016
  • Mathematics
contestada

determine if its identity or no solution. y-5= -(5-y)

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apologiabiology
apologiabiology apologiabiology
  • 16-09-2016
simpolify

-(5-y)=-1(5-y)=-5+y
y-5=-5+y
minus y from both sides
-5=-5
true

identity
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