document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=452602>Question 452602</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by the elimination method.<BR>\n" );
document.write( "3r-7s=-35<BR>\n" );
document.write( "7r+3s=73\r<BR>\n" );
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document.write( "If necessary what is the solution of the system?\r<BR>\n" );
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document.write( "A. The solutions is ______.<BR>\n" );
document.write( "B. There are infinitely many solutions.<BR>\n" );
document.write( "C. There is no solution.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311144 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=311144\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve by the elimination method.<BR>\n" );
document.write( "3r - 7s = -35<BR>\n" );
document.write( "7r + 3s = 73<BR>\n" );
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document.write( "Multiply the 1st equation by 3, multiply the 2nd equation by 7, resulting in:<BR>\n" );
document.write( "9r - 21s = -105<BR>\n" );
document.write( "49r+ 21s = 511<BR>\n" );
document.write( "-----------------addition eliminates s, find r<BR>\n" );
document.write( "58r = 406<BR>\n" );
document.write( "r = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=406%2F58 ALIGN=MIDDLE  ALT=\"406%2F58\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "r = 7<BR>\n" );
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document.write( "Find s using the 2nd original equation<BR>\n" );
document.write( "7(7) + 3s = 73<BR>\n" );
document.write( "49 + 3s = 73<BR>\n" );
document.write( "3s = 73 - 49<BR>\n" );
document.write( "3s = 24<BR>\n" );
document.write( "s = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2F3 ALIGN=MIDDLE  ALT=\"24%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "s = 8<BR>\n" );
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document.write( "Check solutions of r=7 and s=8 in the 1st original equation<BR>\n" );
document.write( "3(7) - 7(8) =<BR>\n" );
document.write( "21 - 56 = -35 </SPAN>\n" );
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