# SOLUTION: 1/x-8/21=3/7x Thank you!

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 Click here to see ALL problems on Complex Numbers Question 57357: 1/x-8/21=3/7x Thank you!Answer by ankor@dixie-net.com(15746)   (Show Source): You can put this solution on YOUR website! : It's helpful to mult equation thru by the common denominator to get rid of the pesky fractions. 21x would be a good common denominator: That would leave you with: 21(1) - x(8) = 3(3) : 21 - 8x + 9 : subtract 21 from both sides: 21 - 21 - 8x = 9 - 21 -8x = -12 : Divide both sides by -8 and you ave +1x = -12/-8 x = +3/2 : : To check our solution in the original equation let's use 1.5 for 3/2 .67 - .381 ~.289 close enough for checking