解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/14 21:07:56
解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)
xA DS*z=!;zzcmخlW ϛ~ݎ*"7HR3_DI i:5s]9/Cfj!p%lJGk_ s.k Bb-vގO"y}Xo.?/iPIuP

解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)
解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)

解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)
(x+3)(y-2)=(x-3)(y+10)
(x+1)(y+3)=(x-2)(y+12)
xy+3y-2x-6=xy-3y+10x-30,6y-12x+24=0,y-2x+4=0
xy+y+3x+3=xy-2y+12x-24,3y-9x+27=0,y-3x+9=0
解得
x=5,y=6

xy+3y-2x-6=xy-3y+10x-30,xy+y+3x+3=xy-2y+12x-24
2x-y-4=0,3x-y-9=0
x=5,y=6