解方程2/3x+1/2y=-5/24 1/4x-1/6y=-1/6
解方程:3x+2y/4=2x+y/5=x-y+1/6要详细过程
解方程:x-x-1/2=2-x+2/3 y+6=y+2/2-y-5/3
解方程一;{x+y-z=6,x-3y+2z=1,3x+2y-z=-7.②{3x+4z=7,2x+3y+z=9,5x-9y
{3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1
解方程(3x+2y)/4=(2x+3y)/5=(x-1)/6
解方程:3分之2(x-y)-4分之x+y=-1,3(x+y)-6(x-y)=6
用代入法解方程2(x-y)/3-(x+y)/4=-1① 6(x+y)-4(2x-y)=16②
请帮我做几道方程1、x+2y=0 3x+4y-6=02、3x+2y=-2 3x-y=43、6x+7y=-19 5y-6x
解方程2/3x+1/2y=-5/24 1/4x-1/6y=-1/6
{4x+7y+7=3x+2y+4,5x+y+1=6x-1解方程租
因式分解解方程 (4-x)(3x+6)=0 4y(y-1)=2y(y-1)
解方程:2x+y=4x-y-1/2=10+6x+2y/4