document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=157243>Question 157243</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395937760/algebrahomeworkh>algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 6.2x-0.5y=27.8<BR>\n" );
document.write( "0.3x+0.4y=68.7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115878 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=115878\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 6.2x-0.5y=27.8 multiply by 4<BR>\n" );
document.write( "0.3x+0.4y=68.7 multiply by 5 & add.<BR>\n" );
document.write( "24.8x-2y=111.2<BR>\n" );
document.write( "1.5x+2y=343.5<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "26.3x=454.7<BR>\n" );
document.write( "x=454.7/26.3<BR>\n" );
document.write( "x=17.289 answer.<BR>\n" );
document.write( "6.2*17.289-.5y=27.8<BR>\n" );
document.write( "107.1916-.5y=27.8<BR>\n" );
document.write( "-.5y=27.8-107.1916<BR>\n" );
document.write( "-.5y=-79.3916<BR>\n" );
document.write( "y=-79.3916/-.5<BR>\n" );
document.write( "y=158.78326 answer.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".3*17.289+.4*158.78326=68.7<BR>\n" );
document.write( "5.1867+63.5133=68.7<BR>\n" );
document.write( "68.7=68.7<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );