document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459741>Question 459741</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the point of intersection on a pair of straight lines.\r<BR>\n" );
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document.write( "Y=3x-15<BR>\n" );
document.write( "Y=-2x+10\r<BR>\n" );
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document.write( "thanks<BR>\n" );
document.write( "Paola </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #315260 by </B><A HREF=/tutors/aboutme.mpl?userid=amoresroy><B>amoresroy(361)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amoresroy><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=amoresroy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=315260\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the point of intersection on a pair of straight lines.\r<BR>\n" );
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document.write( "Y=3x-15<BR>\n" );
document.write( "Y=-2x+10\r<BR>\n" );
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document.write( "The point of intersection is expressed in terms of x and y.\r<BR>\n" );
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document.write( "Solve first for x by eliminating y. Deduct first equation by the second equation.\r<BR>\n" );
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document.write( "(y-y) = (3x- -2x) -15-10<BR>\n" );
document.write( "0 = 5x -25<BR>\n" );
document.write( "5x = 25<BR>\n" );
document.write( "x = 5<BR>\n" );
document.write( "Substitute x = 5 in first equation<BR>\n" );
document.write( "y = 3(5) -15<BR>\n" );
document.write( "y = 0\r<BR>\n" );
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document.write( "The point of intersection is (5,0).<BR>\n" );
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document.write( "Warm regards<BR>\n" );
document.write( "Roy<BR>\n" );
document.write( "  </SPAN>\n" );
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