帮忙解下列三道二元一次方程.help me~(1)x/5-y/2=-4 x/15-y/7=-3 (2)x+y=360 112%x(1)x/5-y/2=-4 x/15-y/7=-3 (2)x+y=360 112%x+110%y=400 (3)x+y/2+x-y/3=6 4(x+y)-5(x-y)=2

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帮忙解下列三道二元一次方程.help me~(1)x/5-y/2=-4 x/15-y/7=-3 (2)x+y=360 112%x(1)x/5-y/2=-4 x/15-y/7=-3 (2)x+y=360 112%x+110%y=400 (3)x+y/2+x-y/3=6 4(x+y)-5(x-y)=2
帮忙解下列三道二元一次方程.help me~(1)x/5-y/2=-4 x/15-y/7=-3 (2)x+y=360 112%x
(1)x/5-y/2=-4 x/15-y/7=-3 (2)x+y=360 112%x+110%y=400
(3)x+y/2+x-y/3=6 4(x+y)-5(x-y)=2

帮忙解下列三道二元一次方程.help me~(1)x/5-y/2=-4 x/15-y/7=-3 (2)x+y=360 112%x(1)x/5-y/2=-4 x/15-y/7=-3 (2)x+y=360 112%x+110%y=400 (3)x+y/2+x-y/3=6 4(x+y)-5(x-y)=2
x=-195,y=-70
x=200,y=160
x=322/109,y=60/109

仅给出结果:
(1)x=-195,y=-70
(2)x=200,y=160
(3)x=7,y=1