Помогите 16,5+(2,3-у)=17,5

Question

Помогите
16,5+(2,3-у)=17,5

Answer 1

16,5+(2.3-y)<17.5<br>16,5+2.3-y<17.5<br>18,8-y<17,5<br>-y<17,5-18,8<br>-y<-1.3