document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=707820>Question 707820</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having a lot of trouble with these three problems. Please help? Solve by elimination/substitution.<BR>\n" );
document.write( "12x + 13y = 491<BR>\n" );
document.write( "12x + 19y = 629\r<BR>\n" );
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document.write( "3x – 4y = -198<BR>\n" );
document.write( "x – 3y = -111\r<BR>\n" );
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document.write( "x + 2y = 47<BR>\n" );
document.write( "x - 3y = 7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #435861 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=435861\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 12x + 13y = 491<BR>\n" );
document.write( "12x + 19y = 629 SUBTRACT.<BR>\n" );
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document.write( "-6y=-138<BR>\n" );
document.write( "y=-138/-6<BR>\n" );
document.write( "y=23 ans.<BR>\n" );
document.write( "12x+13*23=491<BR>\n" );
document.write( "12x+299=491<BR>\n" );
document.write( "12x=491-299<BR>\n" );
document.write( "12x=192<BR>\n" );
document.write( "y=192/12<BR>\n" );
document.write( "y=16 ans.<BR>\n" );
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document.write( "3x – 4y = -198<BR>\n" );
document.write( "x – 3y = -111 multiply by -3 & add.<BR>\n" );
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document.write( "x + 2y = 47<BR>\n" );
document.write( "x - 3y = 7 subtract.<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );