1.     6 – 2у = 8 – 3у                      

2.     15х + 3 = 10х – 12             

3.     –5х – 11 = –6х – 12                   

4.     3х + 5 = 8х – 15                          

5.     5(х + 3) = 27 + 3х                          

6.     3у + (4 – 2у) = 6                            

7.     5у – (13 + у) = у + 14                  

8.     3(2х – 4) – 2(х + 3) = –2              

9.     4у – 3 = 2(7 – у) + 1