document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=330055>Question 330055</A>: <I><SPAN STYLE=\"word-break: break-all;\"> *You want to get rid of the x by elimination in the system below.\r<BR>\n" );
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document.write( "3x + 4y = 7<BR>\n" );
document.write( "4x – 2y = 24 \r<BR>\n" );
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document.write( "If you multiply the top equation by 4, by which number will you multiply the bottom equation? \r<BR>\n" );
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document.write( "*Which expression can be substituted for x in the top equation of the system below to solve the system by substitution?\r<BR>\n" );
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document.write( "2x + 10y = 1<BR>\n" );
document.write( "x – 4y = –4  <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #236546 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=236546\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x + 4y = 7....................1<BR>\n" );
document.write( "4x – 2y = 24 ..................2\r<BR>\n" );
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document.write( "Multiply equation 1 by -4 and equation 2 by 3 to eliminate x\r<BR>\n" );
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document.write( "-12x-16y+12x-6y=-28+72<BR>\n" );
document.write( "-22y=44<BR>\n" );
document.write( "y=44/-22<BR>\n" );
document.write( "y=-2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "plug the value of y in equation 1<BR>\n" );
document.write( "3x+4*-2=7<BR>\n" );
document.write( "3x-8=7<BR>\n" );
document.write( "3x=7+8<BR>\n" );
document.write( "3x=15<BR>\n" );
document.write( "x= 15/3<BR>\n" );
document.write( "x=5<BR>\n" );
document.write( "......\r<BR>\n" );
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document.write( "2x + 10y = 1<BR>\n" );
document.write( "x – 4y = –4  <BR>\n" );
document.write( "x= (-4+4y)<BR>\n" );
document.write( "2(-4+4y)+10y=1<BR>\n" );
document.write( "-8+8y+10y=1<BR>\n" );
document.write( "18y=8+1<BR>\n" );
document.write( "18y=9<BR>\n" );
document.write( "y=1/2<BR>\n" );
document.write( "lug the value of y to get value of x<BR>\n" );
document.write( "2x+10*1/2 =1<BR>\n" );
document.write( "2x+5=1<BR>\n" );
document.write( "2x=-4<BR>\n" );
document.write( "x=-2 </SPAN>\n" );
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