document.write( "Question 201434: 2x+3y=4
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Algebra.Com's Answer #151648 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%282x%2B3y=4%2Cx%2B4y=6%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"-2%28x%2B4y%29=-2%286%29\" Multiply the both sides of the second equation by -2.\r
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\n" ); document.write( "\n" ); document.write( "\"-2x-8y=-12\" 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%282x%2B3y=4%2C-2x-8y=-12%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( "\"%282x%2B3y%29%2B%28-2x-8y%29=%284%29%2B%28-12%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%282x-2x%29%2B%283y-8y%29=4-12\" Group like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"0x-5y=-8\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"-5y=-8\" Simplify.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-8%29%2F%28-5%29\" Divide both sides by \"-5\" to isolate \"y\".\r
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\n" ); document.write( "\n" ); document.write( "\"y=8%2F5\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "\"2x%2B3y=4\" Now go back to the first equation.\r
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\n" ); document.write( "\n" ); document.write( "\"2x%2B3%288%2F5%29=4\" Plug in \"y=8%2F5\".\r
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\n" ); document.write( "\n" ); document.write( "\"2x%2B24%2F5=4\" Multiply.\r
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\n" ); document.write( "\n" ); document.write( "\"5%282x%2B24%2Fcross%285%29%29=5%284%29\" Multiply both sides by the LCD \"5\" to clear any fractions.\r
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\n" ); document.write( "\n" ); document.write( "\"10x%2B24=20\" Distribute and multiply.\r
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\n" ); document.write( "\n" ); document.write( "\"10x=20-24\" Subtract 24 from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"10x=-4\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-4%29%2F%2810%29\" Divide both sides by \"10\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "\"x=-2%2F5\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x=-2%2F5\" and \"y=8%2F5\".\r
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\n" ); document.write( "\n" ); document.write( "Which form the ordered pair .\r
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\n" ); document.write( "\n" ); document.write( "This means that the system is consistent and independent.\r
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