6x+9y=216 6x-10y=14解方程组

谁会解10x+y=6(x+y)+3 10y+x=4(x+y)+9 解方程组：{x(x+y+z)=6 {y(x+y+z)=9 {z(x+y+z)=10 6x+9y=216 6x-10y=14解方程组 (x+y)/6+(x-y)/10=1,(x+y)/6-(x-y)/10=5 {6/x+y+10/x-y=30 6/x+y-10/x-y=-1 6(x-y)-2(x+y)=14 3(x-y)+(x+y)=5 x,y 满足x(x-2)-y(y-6)=-10,求x,y的值 解方程组x+y/6+x-y/10=3,x+y/6+y-x/10=-1x+y/6+x-y/10=3 ①x+y/6+y-x/10=-1 ② 解方程组 10（x-y)=3(x+y)+15 6(x+y)=4(2x-y)+1610（x-y)=3(x+y)+156(x+y)=4(2x-y)+16 解方程组 10（x-y)=3(x+y)+15 6(x+y)=4(2x-y)+1610（x-y)=3(x+y)+156(x+y)=4(2x-y)+16分开的。 用加减法解方程组:{(x+y)/6+(x-y)/10=3 (x+y)/6+(y-x)/10=-1 解方程组4（x+y)-3(x-y)=14;(x+y)/2+(x+y)/3=6 解二元一次方程 {3(x+y)-4(x-y)=-9 x+y/2+x-y/6=1 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 10(8y-x)=6(12y-x)=t(14y-x)t是多少 解方程组,x+y/2=3x-2y=10+6x+y/4, 2/5x+2/3y=-10 ① x/3-y/9=1 ② 解方程组 x-y/5-x+y/2=-1/10① x-y/7-x+y/6=1/2②