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

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Question 54786: Can someone help me on this problem?

I need to solve:
3x/7 - 5x/3 = 2/21
Thanks,
Sher
Answer by Cintchr(481)   (Show Source): You can put this solution on YOUR website!

Since the denominators of all three fractions are factors of 21, multiply each one by 21

reduce the fractions

Combine like terms

divide by -26

reduce
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