document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23500>Question 23500</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i need help....choose a method to slove the linear system. ( the two equations are together)\r<BR>\n" );
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document.write( "8x+y=15<BR>\n" );
document.write( "2x+2y=9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #12285 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=12285\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can either solve it with elimination method or subsitution method \r<BR>\n" );
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document.write( "Subsitution method<BR>\n" );
document.write( "y=15-8x<BR>\n" );
document.write( "2x+2y=9 sub in for y<BR>\n" );
document.write( "2x+2(15-8x)=9<BR>\n" );
document.write( "2x+30-16x=9<BR>\n" );
document.write( "-14x=-21<BR>\n" );
document.write( "x=1.5 <BR>\n" );
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document.write( "Elimination method:<BR>\n" );
document.write( "8x+y=15 (1)<BR>\n" );
document.write( "2x+2y=9 (2) ---> multiply (1) by 2<BR>\n" );
document.write( "16x+2y=30<BR>\n" );
document.write( "2x+2y=9 ---> nopw subbtract 1 by 2\r<BR>\n" );
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document.write( "14x=21<BR>\n" );
document.write( "x=1.5 <BR>\n" );
document.write( "Now just solve for y. </SPAN>\n" );
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