document.write( "Question 249094: One number is 5 more than another. 5 times the smaller equals 4 times the larger. Find the numbers.\r
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Algebra.Com's Answer #181490 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Let x=the first number, y=second number\r
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\n" ); document.write( "\n" ); document.write( "The phrase \"One number is 5 more than another\" can be broken up as:\r
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\n" ); document.write( "\n" ); document.write( "So \"One number is 5 more than another\" translates to \"x=5%2By\"\r
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\n" ); document.write( "\n" ); document.write( "Note: this implies that \"x%3Ey\" ie 'y' is the smaller number.\r
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\n" ); document.write( "\n" ); document.write( "Similarly, \"5 times the smaller equals 4 times the larger\" can be represented as\r
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\n" ); document.write( "\n" ); document.write( "So \"5 times the smaller equals 4 times the larger\" translates to \"5y=4x\"\r
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\n" ); document.write( "\n" ); document.write( "So we have the two equations \"system%28x=5%2By%2C5y=4x%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=5%2By\" Start with the first equation.\r
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\n" ); document.write( "\n" ); document.write( "\"x-5=y\" Subtract 5 from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"y=x-5\" Rearrange the equation.\r
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\n" ); document.write( "\n" ); document.write( "\"5y=4x\" Move onto the second equation.\r
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\n" ); document.write( "\n" ); document.write( "\"5%28x-5%29=4x\" Plug in \"y=x-5\" (this works since we're dealing with the same 'y').\r
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\n" ); document.write( "\n" ); document.write( "\"5x-25=4x\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"5x=4x%2B25\" Add \"25\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"5x-4x=25\" Subtract \"4x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"x=25\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"y=x-5\" Go back to the first isolated equation.\r
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\n" ); document.write( "\n" ); document.write( "\"y=25-5\" Plug in \"x=25\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=20\" Subtract.\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x=25\" and \"y=20\" giving us the ordered pair (25,20)\r
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\n" ); document.write( "\n" ); document.write( "So the smaller number is 20 and the larger is 25.
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