document.write( "Question 175132: 5x-2y=37
\n" ); document.write( "3x+4y=9
\n" ); document.write( "It is all one problem setup like above.We have tried to add them together and tried to figure out x and y separately. This is my student's problem and I thought I would see how it is done step by step and then we can work on the rest of his assigned problems.
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Algebra.Com's Answer #130206 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Start with the given system of equations:\r
\n" ); document.write( "\n" ); document.write( "\"system%285x-2y=37%2C3x%2B4y=9%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"2%285x-2y%29=2%2837%29\" Multiply the both sides of the first equation by 2.\r
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\n" ); document.write( "\n" ); document.write( "\"10x-4y=74\" Distribute and multiply.\r
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\n" ); document.write( "\n" ); document.write( "So we have the new system of equations:\r
\n" ); document.write( "\n" ); document.write( "\"system%2810x-4y=74%2C3x%2B4y=9%29\"\r
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\n" ); document.write( "\n" ); document.write( "Now add the equations together. You can do this by simply adding the two left sides and the two right sides separately like this:\r
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\n" ); document.write( "\n" ); document.write( "\"%2810x-4y%29%2B%283x%2B4y%29=%2874%29%2B%289%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%2810x%2B3x%29%2B%28-4y%2B4y%29=74%2B9\" Group like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"13x%2B0y=83\" Combine like terms. Notice how the y terms cancel out.\r
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\n" ); document.write( "\n" ); document.write( "\"13x=83\" Simplify.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2883%29%2F%2813%29\" Divide both sides by \"13\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "\"10x-4y=74\" Now go back to the first equation.\r
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\n" ); document.write( "\n" ); document.write( "\"10%2883%2F13%29-4y=74\" Plug in \"x=83%2F13\".\r
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\n" ); document.write( "\n" ); document.write( "\"830%2F13-4y=74\" Multiply.\r
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\n" ); document.write( "\n" ); document.write( "\"13%28830%2Fcross%2813%29-4y%29=13%2874%29\" Multiply both sides by the LCD \"13\" to clear any fractions.\r
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\n" ); document.write( "\n" ); document.write( "\"830-52y=962\" Distribute and multiply.\r
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\n" ); document.write( "\n" ); document.write( "\"-52y=962-830\" Subtract \"830\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-52y=132\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28132%29%2F%28-52%29\" Divide both sides by \"-52\" to isolate \"y\".\r
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\n" ); document.write( "\n" ); document.write( "\"y=-33%2F13\" Reduce.\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 solutions are \"x=%2883%29%2F%2813%29\" and \"y=-33%2F13\" \r
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\n" ); document.write( "\n" ); document.write( "which forms the ordered pair
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