Leanna718
Leanna718 Leanna718
  • 02-01-2015
  • Mathematics
Answered

The expression (m-n)-(n-m) is equivalent to

a) 2m-2n
b) 2m
c) -2n
d) m-n



Answer :

Rodeway
Rodeway Rodeway
  • 02-01-2015
[tex](m-n)-(n-m)=m-n -(n-m)= m-n-n+m=(m+m)-n-n=2m-2n[/tex]
Answer Link
eu99li
eu99li eu99li
  • 02-01-2015

[tex](m-n)-(n-m)=m-n-n+m=2m-2n[/tex]

The answer: a)

Answer Link

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