解方程组x(x+1)(3x+4y)=144 x平方+4x+4y=24

解方程组｛ 3x-4y(x-y)=3 { 2x-3y=1 解方程组4（x+y)-3(x-y)=14;(x+y)/2+(x+y)/3=6 解方程组 4(x+y)-(2x-y)=14 ,3(x+y)-2(2x-y)=8 X+4Y=14 X-3/4+Y-3/3=1/12解方程组 解二元一次方程组3(x+y)-4(x-y)=4 x+y/2+x-y/6=1 解方程组2(x-y)/3-x+y/4=-1 6(x-y)-4(2x-y)=16 解方程组3(x+y)-4(x-y)=4和(x+y)/2+(x-y)/6=1kkkkkkkk 解方程组3(x+y)-4(x-y)=4,x+y除以2+x-y除以6=1 解方程组：2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16 解方程组：{4/x+y+6/x-y=3 9/x-y-1/x+y=1} 解方程组{4/x+y+6/x-y=3, 9/x-y-1/x+y=1 解二元一次方程组{3(x+y)-(x-y)=4,x+y/2+x-y/6=1 解方程组{2(x-y)/3 - x+y/4=-1 6(x+y)-41(x-y)=12 解方程组8/(x+y) +(x-y)/2=3,6/(x+y)-(x-y)/4=1 解二元一次方程组：3(x+y)-4(x-y)=4,x+y/2+x-y/6+1x+y/2+x-y/6+1=1 解方程组:2/x+3/y=0.25 ,4/x+(x+2)/y=1 解方程组(x平方+3x)(x+y)=40 x平方+4x+y=14 求方程组(x^2+3x)(x+y)=40,x^2+4x+y=14的解