как решить ур е 5х-4у при х= 0 и у=12

Answer the questions about your classroom. Give the full answers.

1. Do you have a new classroom this year ?

2.Is your classroom big and clean ?

3.Are there any bookshelves in your classroom ?

4.Do you have blinds on the windows in your classroom ?

5.Have you got any plants in your classroom ?

6.Did you have any pictures on the walls in your classroom last year ?

7.How many computers do you have in your classroom ? 

8.Do you like your classroom ?