alexgonzales7133
20.09.2020 •
Mathematics
Dos veces la edad de Mary más 7 es igual a 33. ¿Cuál es la
edad de Mary?
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Ответ:
La edad de Mary es:
13 años
Step-by-step explanation:
Planteamiento:
2m + 7 = 33
m = edad de Mary
Desarrollo:
2m = 33 - 7
2m = 26
m = 26/2
m = 13
Comprobación:
2*13 + 7 = 33
26 + 7 = 33
Ответ:
product of two expressions is H.C.F×L.C.M
Step-by-step explanation: