\(\dfrac{2\text{x}-1}{3}=\dfrac{3\text{x}+1}{4}\)
\(\Leftrightarrow=\dfrac{4\left(2\text{x}-1\right)}{12}=\dfrac{3\left(3\text{x}+1\right)}{12}\)
\(\Leftrightarrow8\text{x}-4=9\text{x}+3\)
\(\Leftrightarrow8\text{x}-9\text{x}=3+4\)
\(\Leftrightarrow-x=7\)
\(\Leftrightarrow x=-7\)
`(2x-1)/3 = (3x+1)/4`
`=> (2x-1).4= 3.(3x+1)`
`=> 8x -4= 9x+3`
`=> 8x-9x =3+4`
`=> -x=7`
`=>x=-7`