document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=336276>Question 336276</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve x-y=3 AND X+Y=5 USING three methods. <BR>\n" );
document.write( "x-y=3---(equation 1)<BR>\n" );
document.write( "x+y=5---(equation 2)<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "method 1<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "adding equation 1 and 2<BR>\n" );
document.write( "2x=8<BR>\n" );
document.write( "dividing both sides by 2<BR>\n" );
document.write( "x=4.<BR>\n" );
document.write( "putting value of x in equation 1<BR>\n" );
document.write( "4-y=3<BR>\n" );
document.write( "4-3=y<BR>\n" );
document.write( "y=1<BR>\n" );
document.write( "------<BR>\n" );
document.write( "method 2<BR>\n" );
document.write( "------<BR>\n" );
document.write( "subtracting equation 2 from 1<BR>\n" );
document.write( "-2y=-2<BR>\n" );
document.write( "multiplying both sides by -1<BR>\n" );
document.write( "2y=2<BR>\n" );
document.write( "dividing both sides by 2<BR>\n" );
document.write( "y=1<BR>\n" );
document.write( "putting value of y obtained in equation 1<BR>\n" );
document.write( "x-1=3<BR>\n" );
document.write( "x=4<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "method 3<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "multiplying equation 1 by 5 and equation 2 by 3<BR>\n" );
document.write( "5x-5y=15---equation 4<BR>\n" );
document.write( "3x+3y=15---equation 5<BR>\n" );
document.write( "subtracting equation 5 from equation 4<BR>\n" );
document.write( "2x-8y=0<BR>\n" );
document.write( "2x=8y<BR>\n" );
document.write( "x=4y---equation 5<BR>\n" );
document.write( "putting the value of x obtained in equation 1<BR>\n" );
document.write( "4y-y=3<BR>\n" );
document.write( "3y=3<BR>\n" );
document.write( "y=1<BR>\n" );
document.write( "from equation 5<BR>\n" );
document.write( "x=4*1<BR>\n" );
document.write( "x=4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #241084 by </B><A HREF=/tutors/aboutme.mpl?userid=kshlak><B>kshlak(4)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=kshlak><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=241084\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve x-y=3 AND X+Y=5 USING three methods. <BR>\n" );
document.write( "x-y=3---(equation 1)<BR>\n" );
document.write( "x+y=5---(equation 2)<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "method 1<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "adding equation 1 and 2<BR>\n" );
document.write( "2x=8<BR>\n" );
document.write( "dividing both sides by 2<BR>\n" );
document.write( "x=4.<BR>\n" );
document.write( "putting value of x in equation 1<BR>\n" );
document.write( "4-y=3<BR>\n" );
document.write( "4-3=y<BR>\n" );
document.write( "y=1<BR>\n" );
document.write( "------<BR>\n" );
document.write( "method 2<BR>\n" );
document.write( "------<BR>\n" );
document.write( "subtracting equation 2 from 1<BR>\n" );
document.write( "-2y=-2<BR>\n" );
document.write( "multiplying both sides by -1<BR>\n" );
document.write( "2y=2<BR>\n" );
document.write( "dividing both sides by 2<BR>\n" );
document.write( "y=1<BR>\n" );
document.write( "putting value of y obtained in equation 1<BR>\n" );
document.write( "x-1=3<BR>\n" );
document.write( "x=4<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "method 3<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "multiplying equation 1 by 5 and equation 2 by 3<BR>\n" );
document.write( "5x-5y=15---equation 4<BR>\n" );
document.write( "3x+3y=15---equation 5<BR>\n" );
document.write( "subtracting equation 5 from equation 4<BR>\n" );
document.write( "2x-8y=0<BR>\n" );
document.write( "2x=8y<BR>\n" );
document.write( "x=4y---equation 5<BR>\n" );
document.write( "putting the value of x obtained in equation 1<BR>\n" );
document.write( "4y-y=3<BR>\n" );
document.write( "3y=3<BR>\n" );
document.write( "y=1<BR>\n" );
document.write( "from equation 5<BR>\n" );
document.write( "x=4*1<BR>\n" );
document.write( "x=4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );