x+2x=57
3x=57
x=57/3
x=19
Los números:
x= 19
2x = 2(19) =38
Los nùmeros son 19 y 38
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38 + 19=57
19 +19 =38
x+2x=57
3x=57
x=57/3
x=19
Los números:
x= 19
2x = 2(19) =38
Los nùmeros son 19 y 38