Simplify and find the domain restrictions. Show all work.

1. 3 over x plus 5 over 3x

3/x + 5/3x

2. 3 over x-1 minus 2 over x-1

3/x +1 - 2/x-1

3. 5x over 2x+1 multiply by 2 over 3x + 2

5x/2x + 1 x 2/3x + 2

4. 7x over 2x+2 divided by 2x over 3x(x+1)

7x/2x + 2 divide by 2x/3x (x + 1)