Respuesta:
8/21
Explicación paso a paso:
2/7 + x= 2/3
x= 2/3-2/7=
multiplicamos 2/3 por 7/7= 14/21
multiplicamos 2/7 por 3/3= 6/21
tenemos
14/21 - 6/21 =
restamos y nos da:
(14-6)/21= 8/21
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Respuesta:
8/21
Explicación paso a paso:
2/7 + x= 2/3
x= 2/3-2/7=
multiplicamos 2/3 por 7/7= 14/21
multiplicamos 2/7 por 3/3= 6/21
tenemos
14/21 - 6/21 =
restamos y nos da:
(14-6)/21= 8/21