xy-11=y+2
=>xy-11-y=2
=>xy-y=2+11
=>(x-1)y=13
Bạn kẻ bảng ra nhé
xy-11=y+2
=>xy-11-y=2
=>xy-y=2+11
=>(x-1)y=13
Bạn kẻ bảng ra nhé
Tìm số nguyên x biết
a,3x+3y-2xy=7
b,xy+2x+y+11=0
c,xy+x-y=4
d,2x.(3y-2)+(3y-2)=12
e,3x+4y-xy=15
f,xy+3x-2y=11
g,xy+12=x+y
h,xy-2x-y=-6
i,xy+4x=25+5y
ii,2xy-6y+x=9
iii,xy-x+2y=3
k,2.x^2.y-x^2-2y-2=0
l,x^2.y-x+xy=6
(x-3).(y+5)=-17
(x+1).(xy-2)=11
xy-7x+y=-22
xy-3x+y =-20
xy-5y-2x=-41
Tìm số nguyn x; y:
1, ( x+1).(xy-2) =11
2,xy-7x+y = -22
3,xy-3x+y =-20
4,xy-5y-2x =-41
tìm x,y
1,xy+3x-7y=21
2,xy+3x-2y=11
3,(x+1)^2+(y+1)^2+(x-y)^2=2
tìm số ngyên x,y thỏa mãn:
xy + 2x + y + 11 = 0
xy + 2x - y =2
(x+1)(3y-2)=-13
(x-4)(y-7)-2=-11
x+xy+y=9
xy-2x-3y=5
tìm x,y hộ tớ nhé
(x+1).(xy-2)=11
xy-7x+y=-22
xy-3x+y=-20
xy-5y-2x=-41
lam ca cach trinh bay giup mk nhe
mk se tich dung cho
(x-5).y+2x-10=7
2.(3-y)-x(y-3)=19
xy-x=2y+9
xy-3y+6x=17+2x2
x2y+4x=11+2xy
Tìm x,y thuộc N biết
xy+2.x+y=11