Question

{3X-11Y=11
{17X-5Y=5
​

Answer 1

Răspuns:

{3x-11y=11. x-17

{17x-5y=5. x+3

{-51x+187y= -187

{51x-15y=15

x=172: -172

x= -1

{3x-11y=11. x-5

{17x-5y=5. x+11

{-15x+55y= -55

{187x-55y=55

y=0:172

y=172