to evaluate the expression substitute the values of a,b and c given
[tex]6b-\frac{5c+20}{a+8}[/tex]a=2 b=5 and c=6
[tex]\begin{gathered} (6\cdot5)-\frac{(5\cdot6)+20}{2+8} \\ 30-\frac{30+20}{10} \\ 30-\frac{50}{10} \\ 30-5 \\ 25 \end{gathered}[/tex]