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2/7x = 40 - 32
2/7x = 8
2x = 8.7
2x= 56
x= 28
El número = x
Los 2/7 del número = 2/7 de x = 2x/7
2x/7 + 32 = 40
2x/7 = 40 - 32
2x/7 = 8
2x = 8 * 7
2x = 56
x = 56/2
x = 28
Respuesta.
El número es el 28