document.write( "Question 115284: y=3x-5
\n" ); document.write( "6x-3y=3
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Algebra.Com's Answer #83867 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "Start with the given system\r
\n" ); document.write( "\n" ); document.write( "\"6x-3y=3\"
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\n" ); document.write( "\n" ); document.write( "\"6x-3%283x-5%29=3\" Plug in \"y=3x-5\" into the first equation. In other words, replace each \"y\" with \"3x-5\". Notice we've eliminated the \"y\" variables. So we now have a simple equation with one unknown.\r
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\n" ); document.write( "\n" ); document.write( "\"6x-9x%2B15=3\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"-3x%2B15=3\" Combine like terms on the left side\r
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\n" ); document.write( "\n" ); document.write( "\"-3x=3-15\"Subtract 15 from both sides\r
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\n" ); document.write( "\n" ); document.write( "\"-3x=-12\" Combine like terms on the right side\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-12%29%2F%28-3%29\" Divide both sides by -3 to isolate x\r
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\n" ); document.write( "\n" ); document.write( "\"x=4\" Divide\r
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\n" ); document.write( "\n" ); document.write( "Now that we know that \"x=4\", we can plug this into \"y=3x-5\" to find \"y\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=3%284%29-5\" Substitute \"4\" for each \"x\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=7\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So our answer is \"x=4\" and \"y=7\"
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