document.write( "Question 252628: Find an equation of the line passing through the point (5,4) and parallel to the line whose equation
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Algebra.Com's Answer #184647 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"2x%2By=3\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"y=3-2x\" Subtract \"2x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"y=-2x%2B3\" Rearrange the terms.\r
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\n" ); document.write( "\n" ); document.write( "We can see that the equation \"y=-2%2Ax%2B3\" has a slope \"m=-2\" and a y-intercept \"b=3\".\r
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\n" ); document.write( "\n" ); document.write( "Since parallel lines have equal slopes, this means that we know that the slope of the unknown parallel line is \"m=-2\".\r
\n" ); document.write( "\n" ); document.write( "Now let's use the point slope formula to find the equation of the parallel line by plugging in the slope \"m=-2\" and the coordinates of the given point .\r
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\n" ); document.write( "\n" ); document.write( "\"y-y%5B1%5D=m%28x-x%5B1%5D%29\" Start with the point slope formula\r
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\n" ); document.write( "\n" ); document.write( "\"y-4=-2%28x-5%29\" Plug in \"m=-2\", \"x%5B1%5D=5\", and \"y%5B1%5D=4\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-4=-2x%2B-2%28-5%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-4=-2x%2B10\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=-2x%2B10%2B4\" Add 4 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=-2x%2B14\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "So the equation of the line parallel to \"2x%2By=3\" that goes through the point is \"y=-2x%2B14\".\r
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\n" ); document.write( "\n" ); document.write( "Here's a graph to visually verify our answer:\r
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\n" ); document.write( "\n" ); document.write( "Graph of the original equation \"y=-2%2Ax%2B3\" (red) and the parallel line \"y=-2x%2B14\" (green) through the point .
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