Question

4. Rezolvați sistemele
2x - 3y=17
3x + 2 y = 6​

Answer 1

2x-3y=17

2x=3y+17

x=1/2(3y+17)

x=3/2y+17/2

3(3/2y+17/2)+2y=6

9/2y+51/2+2y=6

13/2y+51/2=6

13/2y= -39/2

y= -3

x= 3/2(-3)+17/2

x= -9+17/2

x=4