Question

7x+1=22 can't find it nowhere

Answer 1

if you are trying to find x you are going to subtract 1 from 22 so you have
7x+1=22
-1 -1
________
7x=21
_____
7
x=3

Answer 2

7x+1=22
First: Subtract your 1 on both sides of the equal sign.
You would get: 7x=21
Next: Divide your 7 on both sides of the equal sign
Your answer would be: x=3
HOPE THIS HELPS! ^_^