Tìm x. |5+x| + |x-3| = 8

Help meee ;(

B1: a, $\left|5+x\right|+\left|x-3\right|=8$

b, $\left|2x-1\right|+1=\left|-x+2\right|$

c,$\frac{3}{x-2}\le \frac{5}{2x-1}$