Patterning Challenge

Write a rule for each t-table (an equation). Each rule involves two operations and require to steps. 
As an added bonus, you can come up with your own input/output table to challenge the class tomorrow.

Input	Output
16	46
5	13
3	7
1	1
32	94

Input	Output
2	12
6	32
10	52
0	2
18	92