document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=115972>Question 115972</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the ordered pair of -5x+y=19,x-7y=3? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #87196 by </B><A HREF=/tutors/aboutme.mpl?userid=HyperBrain><B>HyperBrain(694)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HyperBrain><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=87196\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have two linear equation here: <b>-5x+y=19</b> and <b>x-7y=3</b>\r<BR>\n" );
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document.write( "From x-7y=3,\r<BR>\n" );
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document.write( "x-7y=3<BR>\n" );
document.write( "x-7y+7y=7y+3<BR>\n" );
document.write( "x+0=7y+3<BR>\n" );
document.write( "x=7y+3\r<BR>\n" );
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document.write( "Substituting this value to -5x+y=19,\r<BR>\n" );
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document.write( "-5(7y+3)+y=19<BR>\n" );
document.write( "(-35y-15)+y=19<BR>\n" );
document.write( "-34y-15=19<BR>\n" );
document.write( "-34y-15+15=19+15<BR>\n" );
document.write( "-34y+0=34<BR>\n" );
document.write( "-34y=34<BR>\n" );
document.write( "y=-1\r<BR>\n" );
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document.write( "Solving for x,\r<BR>\n" );
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document.write( "x=7y+3<BR>\n" );
document.write( "x=7(-1)+3<BR>\n" );
document.write( "x=-7+3<BR>\n" );
document.write( "x=-4\r<BR>\n" );
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document.write( "Since we got x=-4 and y=-1,\r<BR>\n" );
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document.write( "The two lines intersect at (-4,-1)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%281000%2C1000%2C-20%2C20%2C-20%2C20%2C5x%2B19%2C%28x-3%29%2F7%29 ALIGN=MIDDLE  ALT=\"graph%281000%2C1000%2C-20%2C20%2C-20%2C20%2C5x%2B19%2C%28x-3%29%2F7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Power up,<BR>\n" );
document.write( "HyperBrain! </SPAN>\n" );
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