se da propozitia x supra y =cu 7 supra 5 aflati x si y stiind ca x minus y egal cu 24. multumesc!<br />

Pregunta

Clase: Education Materia: matematica

se da propozitia x supra y =cu 7 supra 5 aflati x si y stiind ca x minus y egal cu 24. multumesc!

Perguntado por: USER5667

103 Visto 103 Respuestas

Respuesta (103)

USER4756

Respuesta Mejor

(134)

x/y=7/5 y=5x/7
x-y=24
x-5x/7=24
7x-5x=168
2x=168
x=84
y=5*84/7=60

Respondido em 28 Agustus 2025

USER8951

(217)

x/y=7/5 => x=7y/5
x-y=24
Inlocuim:
7y/5-y=24
Aducem la acelasi numitor amplificandu-l pe y cu 5
(7y-5y):5=24 |*5
2y=120 |:2
y=60
x-y=24
x-60=24
x=24+60
x=84

Respondido em 28 Agustus 2025

se da propozitia x supra y =cu 7 supra 5 aflati x si y stiind ca x minus y egal cu 24. multumesc!

Pregunta

Respuesta (103)

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