document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=594281>Question 594281</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find an equation of the line that contains the point (2,-3) and has the same slope as the line 3x-y+4=0<BR>\n" );
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document.write( " this is a general slope of a line: y - y' = m( x-x') where m is the slope of the line and (x', y') is a point of a line.<BR>\n" );
document.write( "  for this equation , we already know (x', y') , it is (2, -3)<BR>\n" );
document.write( "now let's find m.<BR>\n" );
document.write( " we know also that the slope of the line we are looking for is the same as the slope of 3x-y+4=0. so m=3 because the slope of 3x-y+4=0 is 3\r<BR>\n" );
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document.write( "thus, y-(-3) = 3(x-2)  -->  y+3 = 3x -6<BR>\n" );
document.write( "                       -->  y+3 - y-3 =  3x -6 -y -3 <BR>\n" );
document.write( "                       --> 0 = 3x -y -9\r<BR>\n" );
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document.write( "  so the equation of that line is 3x - y - 9 =0 </SPAN>\n" );
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