Các câu hỏi tương tự
tim x(x+2)3-3(x+2)2=2(x-1)(x+2)-((1-x)3
Tim x biet : 20 . 2^x + 1 = 10.4^2 + 1
Tim x : ( 4-x:2)^3 - 1 = 2 . (2^3 - 5 : 2^0 )
Tim x biet
A 3/2.x-2/5=1/3.x-1/4
B -51/2.x+1=3/4-7/6
C 2.x-2/3=7.x+3/2-1
D 3/2.x-2/5=1/3.x -1/4
tim x biet 1/2(x-2/3)-1/3(2x-3)=x+1/2
1,tim cac so nguyen x,y biet: -2/x=y/3 va x<0<y
2, Tim cac so nguyen x,y biet:x-3/y-2=3/2 va x-y=4
tim x thuoc z biet:
a)2x-1+2x+1+2x+2=104
b)3x+2+3x+1+3x+3x-1=120
tim x(x-2)(3+2x)-(x-1)2=4(x-3)-(2+3x)2
|3/2.x+1/2|=3/2.Tim x
tim x
a 2-/3phần2.x/=1phần4
b /x-3/-/-2-x/=7
c /x+4/-/x-1/=3
d /x-2/./x+3/:x-1>0
e /x-2/=/5-x/