ke9onmhpolly
ke9onmhpolly ke9onmhpolly
  • 23-05-2016
  • Mathematics
contestada

-2 3/7 + b = 6 1/7


A. b = 3 5/7

B.b= 4 2/7

C. b = 8 2/7

D. b = 8 4/7

Respuesta :

caylus
caylus caylus
  • 23-05-2016
Hello,

b=6 1/7 + 2  3/7
==>b=(6+2)+(1/7+3/7)
==>b=8 4/7
Answer D
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