document.write( "Question 319168: 1/3 + ? = 4/9 \n" ); document.write( "
Algebra.Com's Answer #228514 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Let's replace the ? with an 'x'\r
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\n" ); document.write( "\n" ); document.write( "\"1%2F3%2Bx=4%2F9\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"9%281%2Fcross%283%29%2Bx%29=9%284%2Fcross%289%29%29\" Multiply both sides by the LCD \"9\" to clear any fractions.\r
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\n" ); document.write( "\n" ); document.write( "\"3%2B9x=4\" Distribute and multiply.\r
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\n" ); document.write( "\n" ); document.write( "\"9x=4-3\" Subtract \"3\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"9x=1\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%281%29%2F%289%29\" Divide both sides by \"9\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the solution is \"x=1%2F9\"
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