SOLUTION: Can someone help me on this? I need to solve: 3x/7 - 5x/3 = 2/21 Thanks, Adriana

Algebra.Com
Question 54913: Can someone help me on this?
I need to solve: 3x/7 - 5x/3 = 2/21
Thanks,
Adriana
Answer by rapaljer(4671)   (Show Source): You can put this solution on YOUR website!
Multiply both sides by the LCD, which is 21:



The nice thing is that ALL the denominators divide out:




Divide both sides by -26:




Sometimes life comes out even, sometimes it does not. In this case it looks like it does NOT!

R^2 at SCC
RELATED QUESTIONS

Can someone help me on this problem? I need to solve: 3x/7 - 5x/3 = 2/21... (answered by Cintchr)
I need help in solving this problem can someone please help me. Solve: 3x-5x= 2... (answered by adamchapman)
Can someone help me on this? Is 4 a solution to the equation x + 7 = 11 ?... (answered by stanbon)
Can someone help me on this? I need to convert 6.3 to a percent. Thank you,... (answered by rapaljer)
Can someone help me on this problem? I need to solve and show proof on the following... (answered by funmath)
Can someone help me on this problem? I need to solve and check the following... (answered by ankor@dixie-net.com)
Can someone help me on this problem? I need to solve for x and check results:... (answered by checkley71)
Can someone help me on this problem? I need to solve the following system by... (answered by venugopalramana)
Can someone help me solve this problem? I need to solve and graph the solution set... (answered by Edwin McCravy)