Các câu hỏi tương tự
Tìm x:
a) 2/3 + 1/3 : x= 3/5
b) ( 2x/3 - 3 ) : (-10) = 2/5
c) | 2x + 1 | = 4
d) | 2x - 1 | +1 = 4
e ) 8 - | 1 - 3x | = 1/81
f) 1,5 x - 7/3 * x = 1,5 - 2/3
g) (1/2)^2x-1 = 1/8
h) ( -1/3 )^x-3 = 1/81
4(3-2x)^2=1/81
A)2^x-1=64 b)3^2x-10=81 c)2^2x+3=1024 d) 618-3^x+1=24.5^2
4[3-2x]2=1/81
Tìm x biết
a/ x + 2006 = 2021
b/ 2x - 2016 = 2⁴.4
C/ 3. ( 2x + 1) ³ =81
Tìm x:
a) 32x = 81
b) 2x + 3 . ( x - 1 ) = 17
c) ( x + 15 ) : 2 = 2x + 3
1.tìm x biết:
a) \(2x-17=3^5:3^2\)
b) \(\left(19-x\right).2-20=2^3\)
c) \(2.\left(1+3+3^2+3^3+...+3^x\right)+1=81\)
3(2x+1)^3=81
a, 9.3x=81
b,2x:4=1
c,2x-64=2
d,2x=16
e,3^2.3^4.3x=3^10
f,2x+4.2x=5.2^5