解方程组：｛4x+5(x-y)=30,4y-3(x-y)=6

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 4/5Y-30=X,3/4(Y-10)=X+10解方程组, 解方程组 3x+4y=18,7x-5y=30 解方程组 30x=4/5y 40（x-1）=y+25 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/5+x-y/2=7 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 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:{二分之x+y+二分之x-y=6,4(x+y)-5(x-y)=2() 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 解方程组x+y/2+x-y/2=7,4(x+y)-5(x-y)=2... 3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2 解方程组 解方程组：x+y/2+x-y/3=6 4(x+y)-5(x-y)=12 解方程组4x+5y=3.5,x-1=1.8-x-6y