Question

3/4X-5x%=17.5 (2又2/3+x)除以3又3/4-0.4=32/45

Answer 1

3/4X-5x%=17.5

0.75x-0.05x=17.5

70x=175

x=2.5

(2又2/3+x)除以3又3/4-0.4=32/45

(8/3+x)/(15/4)=32/45+2/5

8/3+x=(32/45+18/45)*15/4

x=10/9*15/4-8/3

=25/6-16/6

=3/2