document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=144929>Question 144929</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Us the substitution method to solve the following system\r<BR>\n" );
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document.write( "1/5x+1/5y=9<BR>\n" );
document.write( "1/3x-1/4y=8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #105612 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=105612\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Us the substitution method to solve the following system\r<BR>\n" );
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document.write( "1/5x+1/5y=9<BR>\n" );
document.write( "Divide thru by 1/5 to get:<BR>\n" );
document.write( "x + y = 45<BR>\n" );
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document.write( "1/3x-1/4y=8<BR>\n" );
document.write( "Multiply thru by 12 to get:<BR>\n" );
document.write( "4x + 3y = 96<BR>\n" );
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document.write( "Solve the 1st for x:<BR>\n" );
document.write( "x = 45-y<BR>\n" );
document.write( "Substitute into the 2nd to get:<BR>\n" );
document.write( "4(45-y) + 3y = 96<BR>\n" );
document.write( "180 -4y + 3y = 96<BR>\n" );
document.write( "y = 84<BR>\n" );
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document.write( "Substitute into x = 45-y to solve for \"x\":<BR>\n" );
document.write( "x = 45 - 84<BR>\n" );
document.write( "x = -39<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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