SOLUTION: 7+n=21

Algebra ->  Expressions-with-variables -> SOLUTION: 7+n=21      Log On


   

Question 308632: 7+n=21
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
7+n =21
Add -7 to both sides of the equation
-7+7+n = 21-7
n=14