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{[tex] \left \{ {4x -3y =-1} \atop {5x+6y=4}} \right. [/tex]

Rezolvati vo rog sistemul de ecuatii


Răspuns :

inmultim prima cu 2

8x-6y=-2
5x+6y=4
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13x=2
x=2/13

10/13+6y=4   amplif cu 13

10+78y=52
78y=42
y=42/72
y=21/36
y=7/13