SOLUTION: I need to solve for x in the equation nx=2nx-21n could you please help me. I have tried this way-- nx=2nx-21n nx=n(2x-21) where do I go from here? Thank you

Algebra ->  Expressions-with-variables -> SOLUTION: I need to solve for x in the equation nx=2nx-21n could you please help me. I have tried this way-- nx=2nx-21n nx=n(2x-21) where do I go from here? Thank you       Log On


   

Question 23497: I need to solve for x in the equation nx=2nx-21n could you please help me. I have tried this way--
nx=2nx-21n
nx=n(2x-21)
where do I go from here?
Thank you

Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
if you need to solve for x, then you need every term with x in it on one side:
nx=2nx-21n
nx-2nx=-21n
x(n-2n)=-21n
x(-n)=-21n
x = (-21n)/(-n)
x = 21

since the - and the - cancel and the n and the n cancel

jon.