SOLUTION: how do u solve this problem? 78 divided by blank x 4-3=21

Algebra ->  Signed-numbers -> SOLUTION: how do u solve this problem? 78 divided by blank x 4-3=21      Log On


   

Question 559575: how do u solve this problem? 78 divided by blank x 4-3=21
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
if you mean...
(78/x)(4)-3=21
then...
(78/x)(4)=24
78/x=96
x=78/96
x=13/16