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x/3 + x/2 + x/5 = 22
Sacamos el mcm de los denominadores = 30
10x + 15x + 6x
--------------------- = 22
30
31x/30 = 22
31x = 22 (30)
31x = 660
x = 660/31
x = 21,3
El valor de x es 21,3