document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=526550>Question 526550</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would you solve these two problems by doing subsitution 2x-3y=9 and 5x+2y=-6<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 #348556 by </B><A HREF=/tutors/aboutme.mpl?userid=Maths68><B>Maths68(1474)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Maths68><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=Maths68><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=348556\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x-3y=9........(1)<BR>\n" );
document.write( "5x+2y=-6.......(2)\r<BR>\n" );
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document.write( "Take (1)<BR>\n" );
document.write( "2x-3y=9<BR>\n" );
document.write( "2x=9+3y<BR>\n" );
document.write( "2x/2=(9+3y)/2<BR>\n" );
document.write( "x=(9+3y)/2\r<BR>\n" );
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document.write( "Put the value of x in (2)<BR>\n" );
document.write( "5((9+3y)/2)+2y=-6<BR>\n" );
document.write( "Multiply by 2 both sides<BR>\n" );
document.write( "2*(5((9+3y)/2)+2*2y=-6*2<BR>\n" );
document.write( "5(9+3y)+4y=-12<BR>\n" );
document.write( "45+15y+4y=-12<BR>\n" );
document.write( "19y=-12-45<BR>\n" );
document.write( "19y=-57<BR>\n" );
document.write( "19y/19=-57/19<BR>\n" );
document.write( "y=-3<BR>\n" );
document.write( "Put the value of y in (1)<BR>\n" );
document.write( "2x-3y=9<BR>\n" );
document.write( "2x-3(-3)=9<BR>\n" );
document.write( "2x+9=9<BR>\n" );
document.write( "2x=9-9<BR>\n" );
document.write( "2x=0<BR>\n" );
document.write( "2x/2=0/2<BR>\n" );
document.write( "x=0\r<BR>\n" );
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document.write( "x,y=0,-3\r<BR>\n" );
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document.write( "Check<BR>\n" );
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document.write( "Put the value of x and y in (1)\r<BR>\n" );
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document.write( "2x-3y=9<BR>\n" );
document.write( "2(0)-3(-3)=9<BR>\n" );
document.write( "9=9\r<BR>\n" );
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document.write( "Put the value of x and y in (2)<BR>\n" );
document.write( "5x+2y=-6<BR>\n" );
document.write( "5(0)+2(-3)=-6<BR>\n" );
document.write( "-6=-6 </SPAN>\n" );
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