SOLUTION: blank + blank + blank = 21 lb. How do I solve?

Algebra.Com
Question 639197: blank + blank + blank = 21 lb.
How do I solve?
Found 2 solutions by jim_thompson5910, solver91311:
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
x+x+x = 21

3x = 21

x = 21/3

x = 7

So

7+7+7 = 21
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Depends. Do all three of your blanks have the same value or is there some other relationship?

John

My calculator said it, I believe it, that settles it
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