Question

/2x-1/+1=4

Answer 1

|2x -1|+1=4

|2x -1| = 3

=>\(\hept{\begin{cases}2x-1=3\\2x-1=-3\end{cases}}\Rightarrow\hept{\begin{cases}x=4:2=2\\x=\left(-2\right):2=-1\end{cases}}\)

Answer 2

/2x-1/+1=4. /2x-1/=3. =>2x-1=3 hoặc 2x-1=-3. Th1:2x-1=3. 2x=3+1 2x=4 X=2 Th2:2x-1=-3 2x=(-3)+1 2x=2 X=1 Vậy:x=2 hoặc x=1