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Aflati[tex] \frac{a}{b} [/tex] stiind ca [tex] \frac{3a-b}{4a+3b} = \frac{3}{17} [/tex]

Răspuns :

3a-b/4a+3b=3/17 -> 3(4a+3b)=17(3a-b) => 12a+9b=51a-17b=> 39a=26b => a/b=26/39
17(3a-b)=3(4a+3b)
51a-17b=12a+9b
51a-12a=9b+17b
39a=26b
a/b=26/39