(3*x)+4
-1
4
They are 4 and 7.
3
(3*x)+4
The difference between -1 and 3 is 4.
The difference between 7 and 3 is 4.
-1
221/4
4
2(-4-3) =2(-7) =-14
They are 4 and 7.
7
3
4!
difference between 3 and four speed is, a 3 speed has 3 forward gears. a 4 speed has 4 forward gears