document.write( "Question 1187170: Write an equation of the line that passes through(4,-1) and is parallel to the line y=3x+7 .\r
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Algebra.Com's Answer #818095 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( " the line that passes through (\"4\",\"-1\")
\n" ); document.write( "and is parallel to the line \"y=3x%2B7+\"\r
\n" ); document.write( "\n" ); document.write( "use s slope point equation of the line:\r
\n" ); document.write( "\n" ); document.write( "\"y-y%5B1%5D=m%28x-x%5B1%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "if the line is parallel to the line \"y=3x%2B7\", they will have same slope\r
\n" ); document.write( "\n" ); document.write( "so, find a slope of the given line is \"m=3\"\r
\n" ); document.write( "\n" ); document.write( "\"y-y%5B1%5D=m%28x-x%5B1%5D%29\"..........substitute slope and coordinates of the given point\r
\n" ); document.write( "\n" ); document.write( "\"y-%28-1%29=3%28x-4%29\"\r
\n" ); document.write( "\n" ); document.write( "\"y%2B1=3x-12\"\r
\n" ); document.write( "\n" ); document.write( "\"y=3x-12-1\"\r
\n" ); document.write( "\n" ); document.write( "\"y=3x-13\"\r
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