theo đề ta có:
Nếu 2x-1 = -13 thì y-4 = 1Nếu 2x-1 = 1 thì y-4 = -13Nếu 2x-1 = -1 thì y-4 = 13Nếu 2x-1 = 13 thì y-4 = -1\(\Rightarrow\)
Nếu 2x-1 = -13 ; y-4 = 1 thì x = -6 ; y = 5Nếu 2x-1 = 1 ; y-4 = -13 thì x = 1 ; y = -9Nếu 2x-1 = -1 ; y-4 = 13 thì x = 0 ; y = 17Nếu 2x-1 = 13 ; y-4 = -1 thì x = 6 ; y = 3
Tim cac gia tri nguyen cua x biet
a, Y=5x+9/ x+3
b, Tim cac cap so nguyen x , y thoa mai he thuc :
(2x-1).(y+4)
tim cac cap so nguyen x,y biet /x/+/y/=-5
Tim cac cap so nguyen x,y biet
a,xy=-5
b,(x+2)(2y-3)=8
c,(x-2)^2+(2x-y)^4=0
d,|x|+|y|=1
e,|2x+1|+|y|=4
f,|x-13|+|2y-8|<hoac= 0
g,|x-5|+|y+2|=2
h,|x+3|+|2y+1|=3
tim cac cap so nguyen (x,y)biet:
xy+3y+x=2
tim cac so nguyen y , x biet
(2x + 1)(y - 4) = 6
Tim tat ca cac cap so nguyen x,y sao cho xy-2x+y+1=0
1. tim cac cap so nguyen duong (x, y) sao cho:
2 x3 + xy = 11
2. tim cac cap so nguyen duong (x, y, z)sao cho:
x + y + z = x*y*z
3. tim x thuoc z, biet;
|x| = -2003
|x| = |-2003|
minh dang can gap lam. chieu mai phai nop rui
tim cac cap so nguyen to x,y: x.y=2x+2y
tim cac so nguyen x , y biet
c) (2x + 1)(y - 4)
d) x + y = 3 va x - y = 15
