Question

9,4х+(2х-11 3/4у)-3 5/9у

Answer 1

9,4х + (2х - 11 $frac{3}{4}$ у) - 3 $frac{5}{9}$у = 9,4х + 2х -  $frac{47}{4}$ у -  $frac{32}{9}$у = 11,4x -  $frac{423 + 128}{36}$ у = 11,4x -  $frac{551}{36}$у =  11,4x - 15 $frac{11}{36}$у