a, \(\frac{-5}{8}-x:3\frac{5}{6}+7\frac{3}{4}=-2\)

b,\(\frac{3}{4}:2\frac{4}{9}-\left|-3x+2\frac{2}{3}\right|=\frac{3}{4}\)

c, \(\left(\frac{4}{5}\right)^{2x+5}=\frac{256}{625}\)

d,\(\left(x-\frac{2}{15}\right)^3=\frac{8}{125}\)

Tìm x, biết:

b)3/x+4/-/2x+1/-5/x+3/+/x-9/=5

c)\(\left|\frac{11}{5}-x\right|+\left|x-\frac{1}{5}\right|+\frac{41}{5}=1,2\)

d)\(2\left|x+\frac{7}{2}\right|+\left|x\right|-\frac{7}{2}=\left|\frac{11}{5}-x\right|\)

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Tìm x:

a)\(5^x.\left(5^3\right)^2=625\) 

b)\(\left(\frac{12}{25}\right)^x=\left(\frac{5}{3}\right)^{-2}-\left(-\frac{3}{5}\right)^4\)

c)\(\left(-\frac{3}{4}\right)^{3x-1}=\frac{256}{81}\) 

d)\(172.x^2-7^9:98^3=2^{-3}\)  

bài 3 

d) \(\left(\frac{4}{5}\right)^{2x+7}=\frac{625}{256}\)

e) \(\frac{7^{x+2}+7^{x+1}+7^x}{57}=\frac{5^{2x}+5^{2x+1}+5^{2x+2}}{131}\)

 tìm x:   

\(a,5^x.\left(5^2\right)^3=625\)

\(b,\left(\dfrac{12}{15}\right)^x=\left(\dfrac{5}{4}\right)^{-2}-\left(\dfrac{-3}{5}\right)^4\)

\(c,\left(\dfrac{-3}{4}\right)^{3x-1}=\dfrac{256}{81}\)

\(d,172x^2-7^9:98^3=2^{-3}\)

Tìm x, biết:

a) \(\left(\frac{4}{5}\right)^{2x+7}=\frac{625}{256}\)

b) \(\frac{7^{x+2}+7^{x+1}+7^x}{57}=\frac{5^x+5^{2x+1}+5^{2x+2}}{132}\)

tìm x biết: 
a) \(5^x.\left(5^3\right)^2=625\)
b)\(\left(\dfrac{12}{15}\right)^x=\left(\dfrac{5}{3}\right)^{-5}-\left(-\dfrac{3}{5}\right)^4\)
c)\(\left(-\dfrac{3}{4}\right)^{3x-1}=\dfrac{256}{81}\)
d)\(172x^2-7^9:98^3=2^{-3}\)

Tìm x biết:

a, (x-1) . 0,5 = 7,5 : (x-1)

b, \(\left(\frac{4}{5}\right)^{2x+5}=\frac{625}{256}\)

c, \(\left(3X-4\right)^4=\left(3X-4\right)^2\)

d, \(2^{2x+3}=4^{x-5}\)

Nếu mà sai đề thì nhờ các bạn ghi tin nhắn dưới ô trả lời giúp mình!