Verified answer

bonjour

5 x + 4 y = 1

6 x + 3 y = - 6

- 15 x - 12 y = - 3

  24 x + 12 y = - 24

9 x = - 27

x = - 3

5 ( -3) + 4 y = 1

- 15 + 4 y = 1

4 y = 1 + 15

4 y = 16

y = 4

s ( - 3 ; 4 )

moi j ai que:

S《(-5/21;-11/14)》