1-a)divide both sides by 2 and then subtract 1.1
b)divide both sides by 2 and then add 1.1
C)multiply both sides by 2 and then subtract 1.1 
d)multiply both sides by 2 and then add 1.1
3-a)add or b)subtract 
4-a) multiply b) divide 
                                             
                                          
                                          
                                       