Solve the equations

1. 2 (3x + 5) = 46

2. 1/2 x + 1/4 x = 16

3. 6 - x - x = 18

4. 4x - 3/5 = 2/5

5. x - 13 + 4x = 22

6. -36 = -6(2x - 14)

7. 2 + x/-10 = 2/5