document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=275147>Question 275147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do i do elimination\r<BR>\n" );
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document.write( "a+c=2200<BR>\n" );
document.write( "4a+1.5c-5050    <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 #200859 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=200859\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how do i do elimination<BR>\n" );
document.write( "Assume the last - is supposed to be an =<BR>\n" );
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document.write( "a + c = 2200<BR>\n" );
document.write( "4a + 1.5c = 5050<BR>\n" );
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document.write( "Multiply the 1st equation by 4, subtract the 2nd equation<BR>\n" );
document.write( "4a + 4c = 8800<BR>\n" );
document.write( "4a+1.5c = 5050<BR>\n" );
document.write( "--------------------subtraction eliminates a, find c<BR>\n" );
document.write( "2.5c = 3750<BR>\n" );
document.write( "c = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3750%2F2.5 ALIGN=MIDDLE  ALT=\"3750%2F2.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "c = 1500<BR>\n" );
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document.write( "Find a, substitute 1500 for c in the 1st equation<BR>\n" );
document.write( "a + 1500 = 2200<BR>\n" );
document.write( "a = 2200 - 1500<BR>\n" );
document.write( "a = 700<BR>\n" );
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document.write( "a = 700, c = 1500<BR>\n" );
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document.write( "Check solution in the 2nd equation<BR>\n" );
document.write( "4a + 1.5c = 5050<BR>\n" );
document.write( "4(700) + 1.5(1500) = <BR>\n" );
document.write( "2800 + 2250 = 5050; confirms our solutions </SPAN>\n" );
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