CALCULAR LA EDAD DE CARMEN, SI AL TRIPLICARLA Y AGREGARLE 30 NOS DA 90 *
60
90
20
10
60
90
20
10
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Respuesta:
60
Explicación paso a paso:
Verified answer
aita coronita plis
Explicación paso a paso:
[tex]3x + 30 = 90 \\ 90 - 30 = 60 \\ 3x = 60 \\ x = 20[/tex]