6x+4y=3,5x-3y=-7解方程组

解二元一次方程组:{5(x+y)+3(x-y)=2{7(x+y)-3(x-y)=-6 解方程组 {(x+y)/2+(x-y)/3=6 5(x+y)-2(x-y)=4 解方程组：x+y/2+x-y/3=6 4(x+y)-5(x-y)=12 解方程组 X+Y/2+X-Y/3=6 4[X+Y]-5[X-Y]=2 解方程组X+Y/2=3X-2Y=10+6X+Y/4 1/2x-2y=-74,x-6y=-12解方程组,x／5-y／2=2,2x+3y=4解方程组 y-3x=2,y-5x=4,y-7x=6,y-9x=8,y-11x=0方程组, 解方程组24/(x+y) +24/(x-y) = 7/3 ,8/(x+y) +18/(x-y) = 4/3 解方程组 x-y/3-x+y/4=2 x-y/6-x+y/8=3 2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51 解方程组 解方程组﹛2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51 解方程组：2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16