Question

3 is the root of x+1/2+x-1/2=3​

Answer 1

${\large{\mathfrak{\bold{Answer}}}}$

$\frac{x+1}{2}\:+ \:\frac{x-1}{2} \:=\: 3$

Taking LCM,

$\frac{x+1+x-1}{2}\:=\:3$

$2x \: = \: 3\:×\:2$

$2x \: =\: 6$

$x \:=\: 3$