Tim so nguyen x biet
5x + 2 - 5x - 1 = 3100
(x - 4)(2x + 3) < 0
Tim so nguyen x biet
a) (x - 1)(x + 4) < 0
b) 5x + 2 - 5x - 1 = 3100
c) 3x + 1 - 3x - 2 = 702
tim cac so nguyen x de ( A=x+4/x-2)+(2x+5/x-2) la 1 so nguyen
Tim so nguyen x,y biet
(x+1)^2+(y-1)^2=0
(x+3)×(y+1)=3
xy-2x=5
Tim so nguyen x biet
3x +1 - 3x - 2 = 702
2x (x + 5) > 0
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 so nguyen x biet
e) (2x + 4)(x - 3) = 0
f) x + {(x + 3)- [(x + 3) - (-x - 2)]} = x
Tim so nguyen x biet : -x/2+2x/3+x+1/4+2x+1/6=3/8
tim cac so nguyen x biet
a) (2x - 10 )(x + 3)=0
b)(x+ 5)(x2 - 9)=0
