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[tex] \frac{2x+3y}{4x+y} [/tex] = [tex] \frac{4}{5} [/tex] raportul dintre x si y?


Răspuns :

[tex]\frac{2x+3y}{4x+y}=\frac{4}{5}\Rightarrow 5(2x+3y)=4(4x+y)\Rightarrow\\\Rightarrow 10x+15y=16x+4y\Rightarrow 11y=6x\Rightarrow\frac{x}{y}=\frac{11}{6}[/tex]