T-2 3 . if a=a-4 fud 3a2-3at 3-5 meted of gaus- jorda the systen f luear egualisuo 3x t2= 31 x ty tz =19 +3y +32 5 ne produt of (ke matry aud its lraus pose elmuahon the use b solve 3 find 2 a= -3 4 \si 2xty 4. for he systen tnt the systeu nveble ve +ã¡ã«ã¼ auct sowe fx audy using e meltsd e 5.find pesses th iongh th points3-1), ,) ad () invese ite enaten e parala la hhat theu (dentty vester of lhe pralo la te 3yf> xnt 3t+27-8-5y ound .use meltod of delã«r minent t'solue heã¼ã¡= ã¼ã 3- s 7. fr ke mafue 2 -3 find lce sam of ne co facars find lhe doler minat -2 t1 a t4 0 i3/ co