=> x.(1/2+2/3)=4+x
=> x.7/6 = 4+x
=> x = 24
=> x.(1/2+2/3)=4+x
=> x.7/6 = 4+x
=> x = 24
Tìm x , biết :
a) x - 3/4 = 2x + 1/2
b) 3 . ( x - 2 ) - 2 . ( x + 3 ) = 4
c ) / x - 3/2 / - 1/2 = -35 . ( 1/3 )6
b, 3 . 2 x + 1 = 12
c, 2x - 1 = 23 + 24 - 23
d, x50 = x
e, 2 . ( 2x - 1 )4 = 32
g, 3x + 3x + 2 = 810
Tìm x :
Tìm x ,bt ;
a/ (19 . x + 2 . 5^2 ) : 14 = (13 -8 )^2 - 4^2
b/2 .3^x = 10 . 3^12 + 8 . 27^4
Tìm x biết:
-2/5.x+4/5.x-1/2+3/5.x-1
Tìm x ,biết :
2^4 .x - 3^2 .x = 145 - 255 : 51
Tìm x:
a. 2x(x - 1) - x(4 - x) = 0
b. 3(1 - 4x)(x - 1) + 4(3x - 2)(x + 3) = -27
Tìm x biết
a) x + \(2\frac{3}{4}=5\frac{2}{3}\)
b)X x \(3\frac{1}{2}=4\frac{3}{4}\)
c) x - \(4\frac{1}{5}=3\frac{2}{7}\)
d) x - \(\frac{3}{4}=6\text{x}\frac{3}{8}\)
e) \(\frac{7}{8}:x=3\frac{1}{2}\)
Tìm x ,bt ;
a/ (19 . x + 2 . 5^2 ) : 14 = (13 -8 )^2 - 4^2
b/2 .3^x = 10 . 3^12 + 8 . 27^4
Tìm x (giải chi tiết)
a) x(x-1)=0
b) (x+2)(x-4)=0
c) x3. x2 = 28 : 23
d) 3x-3 - 32 = 2.32