Răspuns:
3x-3 +2y+8=24 3x+ 2y= 24-8+3 3x+2y= 19 | *3
3y+3+[tex]x^{2}[/tex] -x² +x-x +1+2x=0 3y +2x= -4 2x+3y= -4 | *2
9x+6y= 57 se scad 9x-4x = 57+8 5x= 65
4x+6y=-8 x= 65: 5 = 13 x= 13
2y=19-3*13 2y= 19-39 2y=-20
y= -20:2= -10 y=-10
