Question

Va rog mult am nevoie urgenta de ajutor!! daca 5x-2y supra x+y =1 supra 3, atunci x supra y este egal cu...​

Answer 1

Buna! Uite cum as rezolva eu problema:

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$\frac{5x-2y}{x+y} =\frac{1}{3} ==>(5x-2y)*3= x+y\\15x-6y=x+y$

15x-x=y+6y

14x=7y | :7

2x=y  ==> x/y=1/2

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SPER CA TE-AM AJUTAT!!