Question

|1-x| - 5 = 1

giúp mik vs mn oi

Answer 1

\(\left|1-x\right|=1+5\)

\(\left|1-x\right|=6\)

\(\Rightarrow\left[{}\begin{matrix}1-x=6\\1-x=-6\end{matrix}\right.\)

\(\Rightarrow\left[{}\begin{matrix}x=1-6\\x=1+6\end{matrix}\right.\)

\(\Rightarrow\left[{}\begin{matrix}x=-5\\x=7\end{matrix}\right.\)

Answer 2

\(\left|1-x\right|-5=1\)
\(\Leftrightarrow\left|1-x\right|=6\)
\(\left\{{}\begin{matrix}1-x=6\\1-x=-6\end{matrix}\right.\Leftrightarrow x=-5\) \(hoặc\) \(x=7\)