2(x+3)=3-5(y-2),即2x+5y=7……①(x+1)/3-(2y+1)/2=1,即2x-6y=7……②①-②得,11y=0,∴y=0把y=0代人①得,2x=7,∴x=7/2∴{x=7/2 y=0
2(x+3)=3-5(y-2),2x+6=3-5y+102x+5y=7 (1)x+1/3-2y+1/2=12x+2-6y-3=62x-6y=7 (2)由(1)-(2)式得11y=0y=0x=7/2