[tex]\frac{3}{4}[/tex](z + 8)
note that [tex]\frac{3}{4}[/tex] ÷ [tex]\frac{3}{4}[/tex] = 1 , and
6 ÷ [tex]\frac{3}{4}[/tex] = 6 × [tex]\frac{4}{3}[/tex] = [tex]\frac{24}{3}[/tex] = 8
