document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=604609>Question 604609</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system using the substitution method\r<BR>\n" );
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document.write( "0.1x+0.3y=1.6<BR>\n" );
document.write( "0.8x-0.7y=5.8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #381326 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=381326\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the system using the substitution method <BR>\n" );
document.write( "0.1x+0.3y=1.6<BR>\n" );
document.write( "0.8x-0.7y=5.8<BR>\n" );
document.write( "**<BR>\n" );
document.write( "multiply both equations by 10 to remove decimals (move decimal point 1 place right)<BR>\n" );
document.write( "x+3y=16<BR>\n" );
document.write( "8x-7y=58<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x+3y=16<BR>\n" );
document.write( "x=16-3y<BR>\n" );
document.write( "sub (16-3y) for x in second equation<BR>\n" );
document.write( "8x-7y=58<BR>\n" );
document.write( "8(16-3y)-7y=58<BR>\n" );
document.write( "128-24y-7y=58<BR>\n" );
document.write( "31y=70<BR>\n" );
document.write( "y=70/31<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x=16-3y<BR>\n" );
document.write( "=16-3(70/31)<BR>\n" );
document.write( "=16-210/31<BR>\n" );
document.write( "=(31*16-210)/31<BR>\n" );
document.write( "x=286/31 </SPAN>\n" );
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