53x-2.55=55.3
=> 53x=55.(3+2)
=> 53x=56
=> 3x=6
=> x=2
53x = 55 . 3 + 2 . 55
53x = 55 . 5
53x = 56
53x = 53.2
=> x = 2
Vay x = 2
Mong cac ban ung ho minh nha
53x-2.55=55.3
=> 53x=55.(3+2)
=> 53x=56
=> 3x=6
=> x=2
53x = 55 . 3 + 2 . 55
53x = 55 . 5
53x = 56
53x = 53.2
=> x = 2
Vay x = 2
Mong cac ban ung ho minh nha
5.3^x+6=2.5^5+3
a, \(5.3^x=5.3^4\)
b, \(5.3^x=7.3^5-2:3^5\)
c, \(5^{x+4}-3.5^{x+3}=2.5^{11}\)
d, \(2^x+2^{x+1}+2^{x+2}+2^{x+3}+2^{x+4}+2^{x+5}=480\)
Làm đầy theo tính ra kết quả thì mk với tik
Tìm x biết:
5^x+1 5^2x + 2.5^3x = 875
Tìm x biết:
5^x+1 5^2x + 2.5^3x = 875
\(5.3^x=5.3^4\)
\(5.3^x=7.3^5-2:3^5\)
Tim x: 6^2-(x+3)=45
125-5.(3x-1)=5^5.5^3
4^x+1+4^0=65
70-5.(x-3)=5.3^2
22 .33x - 27x = 95
5.3x = 135
5x. 514 = 520
a)-3/5.5/7+3/-5.3/7+3/5.-6/7
b)3/13:-11/-6+-3/13:11/-5-2/13
c)1/2.(x+2)+3/8=7/16
d)1/3x+2/5(x+1)=0
-1/3+5/2x=1/6:(-2/9)
(2x-17)*5^6=5^9
3*x^3-67=5^3
53x -2 - 2.53=53 .3