We will help you by showing an example as problem 1: 3(a+1)-4=5 Your first step would be to distribute the 3 to the a and +1 3a+3-4=5 Your second step would be to subtract 3 from -4 3a-1=5 Your third step would be to add 1 to both sides to cancel out the -1 3a=6 You can now hanlde it from here and if you need a refresher you can go the explanation tab and click any of the drop down options.