Question

if 5x+1=21, then x = ?

Answer 1

You need to get the variable on one side of the equation and the values on the other. How would you do this?

Answer 2

start by combining like terms:
5x+1=21
-1 -1

5x = 20

divide by both sides:
5x = 20
/5 /5

x = 5

*^.^*

Answer 3

x=4

Answer 4

ooops /.^ my mistake yes that's correct x = 4