document.write( "Question 303804: Find the x and y intercepts 1.3x+4y=12, 2.y=2x+10, 3.3x+4y=0\r
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Algebra.Com's Answer #217678 by jim_thompson5910(35256)\"\" \"About 
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Only post one problem at a time please.\r
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x-intercept

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\n" ); document.write( "\n" ); document.write( "To find the x-intercept, plug in \"y=0\" and solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B4y=12\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B4%280%29=12\" Plug in \"y=0\".\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B0=12\" Multiply \"4\" and 0 to get 0.\r
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\n" ); document.write( "\n" ); document.write( "\"3x=12\" Simplify.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2812%29%2F%283%29\" Divide both sides by \"3\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "\"x=4\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "So the x-intercept is .\r
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y-intercept

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\n" ); document.write( "\n" ); document.write( "To find the y-intercept, plug in \"x=0\" and solve for y\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B4y=12\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"3%280%29%2B4y=12\" Plug in \"x=0\".\r
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\n" ); document.write( "\n" ); document.write( "\"0%2B4y=12\" Multiply \"3\" and 0 to get 0.\r
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\n" ); document.write( "\n" ); document.write( "\"4y=12\" Simplify.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%2812%29%2F%284%29\" Divide both sides by \"4\" to isolate \"y\".\r
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\n" ); document.write( "\n" ); document.write( "\"y=3\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "So the y-intercept is .\r
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\n" ); document.write( "\n" ); document.write( "Notice that if we graph the equation \"3x%2B4y=12\", we can see that the graph has the x-intercept and the y-intercept \r
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\n" ); document.write( "\n" ); document.write( " Graph of \"3x%2B4y=12\"
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