first of all transfer all the mixed fractions into numbers
[tex]2 \frac{1}{2} [/tex]=2.5=[tex] \frac{5}{2} [/tex]
so[tex] \frac{5}{2} x- \frac{6}{4} x- \frac{15}{4} = \frac{3}{8} [/tex]
multiply the whole equations by 8
[tex]20x-12x-30=3 \\ 8x-30=3 \\ 8x=33 \\ x= \frac{33}{8} [/tex]
[tex] x=4\frac{1}{8} [/tex]
