Question

tìm x,biết

a) /x/=1/5

Answer 1

\(\left|x\right|=\frac{1}{5}\Leftrightarrow x=-\frac{1}{5};\frac{1}{5}\)

Answer 2

tìm x,biết

a) /x/=1/5 

Nếu | x | = \(\frac{1}{5}\)thì x = \(\hept{\begin{cases}\frac{1}{5}\\\frac{-1}{5}\end{cases}}\)

Answer 3

\(\left|x\right|=\frac{1}{5}\Leftrightarrow x=\frac{1}{5}\)

Vậy x=\(\frac{1}{5}\)