X + y 2z=7x-2y+z=10x – 3y -z = 1​

Jawab:

/2, 2; (–2, 3), (1,–1). 8. x*+y”–6x+4y = 0. 28. 3x–4y+1 = 0, 4x+3y–7 = 0. 10. … .x+y+2 +V2 = 0. 15. x2+y”—x+y–8 = 0; 38. x–2y–5 = 0, 2x-y–5 = 0. … 12. x*+y^+16x-34y+64 = 0, 18. x = 3/4, x2+y”—#x–3y–1 = 0. ź”–y”–8x–10y +16 = 0.