document.write( "Question 159296: The average of two numbers is 7. Find the numbers if three times one of the numbers is one half the other number.\r
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\n" ); document.write( "\n" ); document.write( "I can not figure ths out. I can not get it written into two equations.
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Algebra.Com's Answer #117442 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"average of two numbers is 7\" --> \"%28x%2By%29%2F2=7\"\r
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\n" ); document.write( "\n" ); document.write( "\"three times one of the numbers is one half the other number\" ---> \"3x=%281%2F2%29y\"\r
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\n" ); document.write( "\n" ); document.write( "\"3x=%281%2F2%29y\" Start with the second equation\r
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\n" ); document.write( "\n" ); document.write( "\"6x=y\" Multiply both sides by 2\r
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\n" ); document.write( "\n" ); document.write( "\"y=6x\" Rearrange the equation\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2By%29%2F2=7\" Move onto the first equation\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2B6x%29%2F2=7\" Plug in \"y=6x\"\r
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\n" ); document.write( "\n" ); document.write( "\"%287x%29%2F2=7\" Add\r
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\n" ); document.write( "\n" ); document.write( "\"7x=14\" Multiply both sides by 2\r
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\n" ); document.write( "\n" ); document.write( "\"x=2\" Divide both sides by 7\r
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\n" ); document.write( "\n" ); document.write( "So the first number is 2 and the second number is \"y=6%282%29=12\"
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