document.write( "Question 381129: 1/3s + 7/9 = 4/3s
\n" ); document.write( "(-3/1s)+ 1/3s + 7/9= 4/3s -(3/1s)
\n" ); document.write( "7/9= 1/3s multiply both sides by 3/1
\n" ); document.write( "7/3=s\r
\n" ); document.write( "\n" ); document.write( "This is what I got for my answer, but when I check it, the solution doesn't add up. Where am I going wrong?
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Algebra.Com's Answer #270389 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
1/3s+7/9=4/3s
\n" ); document.write( "subtract 1/3s from both sides
\n" ); document.write( "7/9=4/3s-1/3s
\n" ); document.write( "7/9=3/3s
\n" ); document.write( "7/9=s
\n" ); document.write( "don't invert to subtract
\n" ); document.write( "invert only to divide
\n" ); document.write( "your working to hard
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