document.write( "Question 82422: complete the ordered pairs so that each is a solution for the given equation.\r
\n" ); document.write( "\n" ); document.write( "3x+4y=12 - (0,),(,3/4),(0),(8/3,)
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Algebra.Com's Answer #59038 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Start with (0,y)\r
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\n" ); document.write( "\n" ); document.write( "\"3%280%29%2B4y=12\" Plug in x=0 (one of the given pairs)\r
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\n" ); document.write( "\n" ); document.write( "\"0%2B4y=12\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"4y=12\" \r
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\n" ); document.write( "\n" ); document.write( "\"y=3\" Divide both sides by 4\r
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\n" ); document.write( "\n" ); document.write( "So we get one ordered pair (0,3)\r
\n" ); document.write( "\n" ); document.write( "---------------------------------------------------------------\r
\n" ); document.write( "\n" ); document.write( "Now lets work with (x,3/4)\r
\n" ); document.write( "\n" ); document.write( "Plug in \"y=3%2F4\"\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B4%283%2F4%29=12\" Plug in \"y=3%2F4\" (one of the given pairs)\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B3=12\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"3x=9\" Subtract 3 from both sides\r
\n" ); document.write( "\n" ); document.write( "\"x=3\" Divide both sides by 3\r
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\n" ); document.write( "\n" ); document.write( "So we get one ordered pair (3,3/4)\r
\n" ); document.write( "\n" ); document.write( "---------------------------------------------------------------\r
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\n" ); document.write( "\n" ); document.write( "Now lets work with (x,0)\r
\n" ); document.write( "\n" ); document.write( "Plug in \"y=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B4%280%29=12\" Plug in \"y=0\" (one of the given pairs)\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B0=12\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"3x=12\" \r
\n" ); document.write( "\n" ); document.write( "\"x=4\" Divide both sides by 3\r
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\n" ); document.write( "\n" ); document.write( "So we get one ordered pair (4,0)\r
\n" ); document.write( "\n" ); document.write( "---------------------------------------------------------------\r
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\n" ); document.write( "\n" ); document.write( "Now lets work with (8/3,y)\r
\n" ); document.write( "\n" ); document.write( "Plug in \"x=8%2F3\"\r
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\n" ); document.write( "\n" ); document.write( "\"3%288%2F3%29%2B4y=12\" Plug in \"x=8%2F3\" (one of the given pairs)\r
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\n" ); document.write( "\n" ); document.write( "\"8%2B4y=12\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"4y=4\" Subtract 8 from both sides\r
\n" ); document.write( "\n" ); document.write( "\"y=1\" Divide both sides by 3\r
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\n" ); document.write( "\n" ); document.write( "So we get one ordered pair (8/3,1)\r
\n" ); document.write( "\n" ); document.write( "---------------------------------------------------------------\r
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\n" ); document.write( "\n" ); document.write( "So to summarize, we have the ordered pairs as solutions:\r
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\n" ); document.write( "\n" ); document.write( "(0,3), (3,3/4), (4,0), (8/3,1)\r
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