document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=166092>Question 166092</A>: <I><SPAN STYLE=\"word-break: break-all;\">   My book isn't explaining this very well.  Can you help?<BR>\n" );
document.write( "I'm to solve each system by elimination.<BR>\n" );
document.write( "2(a+b)=94<BR>\n" );
document.write( "4(a-9)=3b-23 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #122383 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=122383\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2(a+b)=94<BR>\n" );
document.write( "2a+2b=94 multiply by -2 & add to the other equation<BR>\n" );
document.write( "4(a-9)=3b-23<BR>\n" );
document.write( "4a-36=3b-23<BR>\n" );
document.write( "4a-3b=-23+36<BR>\n" );
document.write( "4a-3b=13<BR>\n" );
document.write( "-4a-4b=-188<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "-7b=-188+13<BR>\n" );
document.write( "-7b=-175<BR>\n" );
document.write( "b=-175/-7<BR>\n" );
document.write( "b=25 answer.<BR>\n" );
document.write( "2(a+25)=94<BR>\n" );
document.write( "2a+50=94<BR>\n" );
document.write( "2a=94-50<BR>\n" );
document.write( "2a=44<BR>\n" );
document.write( "a=44/2<BR>\n" );
document.write( "a=22 answer.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "4(22-9)=3*25-23<BR>\n" );
document.write( "4*13=75-23<BR>\n" );
document.write( "52=52\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );