document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=332515>Question 332515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Actually, I need help with solving a system by addition/subtraction elimination. For example 2x -3 y=-6 x=7-y. I need an equation the preceeding was just and example. Once I get the equation, I need to follow the steps below\r<BR>\n" );
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document.write( "Then follow 5 steps<BR>\n" );
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document.write( "Step 1 I need to write both equations in the form ax+by=c\r<BR>\n" );
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document.write( "Step 2 multiply the second equation by 2 in order to make the coefficients of the x terms equal.\r<BR>\n" );
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document.write( "Step 3 subtract the second equation from the first equation to eliminate the x variable\r<BR>\n" );
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document.write( "Step 4 solve the equation for y\r<BR>\n" );
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document.write( "Step 5 select one equation and substitute 4 for y and solvefor x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #238272 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=238272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x+3y= 87>>>>>...1<BR>\n" );
document.write( "2x-y= 21>>>>>>...2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "multiply equation 2 by 2<BR>\n" );
document.write( "4x-2y=42<BR>\n" );
document.write( "..<BR>\n" );
document.write( "(4x+3y)-(4x-2y)=87-42<BR>\n" );
document.write( "4x+3y-4x+2y=45<BR>\n" );
document.write( "5y=45<BR>\n" );
document.write( "divide by 5<BR>\n" );
document.write( "5y/5 = 45/5<BR>\n" );
document.write( "y=9<BR>\n" );
document.write( "..<BR>\n" );
document.write( "2x-y=21<BR>\n" );
document.write( "plug the value of y in the equation<BR>\n" );
document.write( "2x-9=21<BR>\n" );
document.write( "add 9 <BR>\n" );
document.write( "2x-9+9=21+9<BR>\n" );
document.write( "2x=30<BR>\n" );
document.write( "divide by 2<BR>\n" );
document.write( "2x/2 = 30/2<BR>\n" );
document.write( "x=15 </SPAN>\n" );
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