3(x-3) = 2(x+2)
3x - 9 = 2x + 4
x = 13
Juana tiene 13 años
Ahora solo reemplazamos
3(13-3) = 2(13+2)
3(10) = 2(15)
30 = 30
Ojalá ayude
Saludos (^∇^)ノ
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3(x-3) = 2(x+2)
3x - 9 = 2x + 4
x = 13
Juana tiene 13 años
Ahora solo reemplazamos
3(13-3) = 2(13+2)
3(10) = 2(15)
30 = 30
Ojalá ayude
Saludos (^∇^)ノ