SOLUTION: 3n over 4 - 1 over 3 = 2n-1 over 6 multiplied each fraction by 12 and cancelled denominators to get whole numbers then got n=2 over 5 but when I checked answer and substituted n

Algebra.Com
Question 164774: 3n over 4 - 1 over 3 = 2n-1 over 6
multiplied each fraction by 12 and cancelled denominators to get whole numbers
then got n=2 over 5
but when I checked answer and substituted n for 2 over 5, i didnt get an equal answer
Found 2 solutions by Edwin McCravy, Mathtut:
Answer by Edwin McCravy(20054)   (Show Source): You can put this solution on YOUR website!
3n over 4 - 1 over 3 = 2n-1 over 6
multiplied each fraction by 12 and cancelled denominators to get whole numbers
then got n=2 over 5
but when I checked answer and substituted n for 2 over 5, i didnt get an equal answer


You solve it right but checked it wrong.



Put parentheses around every term



Multiply every term by 




Cancel:

  3           4          2











Checking:









  3

       2         








Edwin
Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!
your answer is correct your probably multiplying in error when your plugging in ... for instance it is easy to see 3(2/5) as 3 and 2 fifths and thus call it 17/5 when substituted properly it works.... with -2/5 = -2/5
RELATED QUESTIONS

Solve 8 over 7 divided by 2 over 1 and the whole number 4 (after... (answered by CubeyThePenguin,ikleyn,josgarithmetic)
2x^2-x-3 over 3x^2+7x+4 multiplied by 3x^2-11x-20 over 4x^2-9. In the first part I... (answered by scott8148)
Simplify complex fraction 1- 1 over 3 divided by 1 over 2 - 1 over... (answered by Fombitz)
7k-28 over 7 multiplied by 1 over... (answered by lynnlo,MathLover1)
divide the following fraction.. 6 p - 1 8 over 9 p divided by 3 p - 9 over p ^ 2 + 2... (answered by Cintchr)
I just took a math test and was disappointed to see that I got a "C." I had worked very... (answered by chessace)
How do you multiply whole numbers by fractions like: 1 and 5 over 9 multiplied by... (answered by jojo14344)
Please help. I can not figure out how to do these. Thank you in advance! Multiply. 1. (answered by jim_thompson5910)
I need to solve this by losing the fraction 2n-3 over 2 =... (answered by mananth)