方程组x/3+y/4=5,0.3x+0.4y=1.6

已知方程组:5x+y=3 ; ax+5y=4与方程组x 解下列方程组 3x=4(x-y) x-8(x-y)=5 方程组x/3+y/4=5,0.3x+0.4y=1.6 方程组4x+y=3 3x+2y=5,则x-y= 方程组x-2y=8,3x-4y=5,x=?,y=? 解方程组：｛4x+5(x-y)=30,4y-3(x-y)=6 解方程组3x+5(x+y)=2 3y-2(x+y)=4 解方程组8y+5x=84y-3x=7 方程组 因式分解 4x^3-4x^2y-(x-y) 解方程组:{x+y=3,x-y=5 解方程组 X+Y/2+X-Y/3=6 4[X+Y]-5[X-Y]=2 解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27 解二元一次方程组{x+y/2+x-y/3=6,4(x+y)-2=5(x-y) 解方程组2分之x+y+3分之x-y=6 4(x+y)-5(x-y)=2 解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27全过程、快 解方程组 {(x+y)/2+(x-y)/3=6 5(x+y)-2(x-y)=4 3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2 解方程组 x+y/2+x-y/3=6,4(x+y)-5(x-y)=2用加减消元法解方程组 解方程组：x+y/2+x-y/3=6 4(x+y)-5(x-y)=12