document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=507464>Question 507464</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by substitution <BR>\n" );
document.write( "9x+4y/3=5<BR>\n" );
document.write( "4x-y/3=5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #340523 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=340523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 9x+4y/3=5 ............(1)<BR>\n" );
document.write( "4x-y/3=5 .............(2)\r<BR>\n" );
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document.write( "Multiply (1) by 3 both sides of the equation<BR>\n" );
document.write( "3*(9x+4y/3)=3*5 <BR>\n" );
document.write( "27x+4y=15.............(3)\r<BR>\n" );
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document.write( "Multiply (2) by 3 both sides of the equation<BR>\n" );
document.write( "3*(4x-y/3)=3*5<BR>\n" );
document.write( "12x-y=15...............(4)\r<BR>\n" );
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document.write( "Multiply (4) by 4 both sides and add to (3)<BR>\n" );
document.write( "4*(12x-y)=4*15...............(4)<BR>\n" );
document.write( "48x-4y=60<BR>\n" );
document.write( "27x+4y=15<BR>\n" );
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document.write( "75x=75<BR>\n" );
document.write( "Divide above equation by 75 both sides<BR>\n" );
document.write( "75x/75=75/75<BR>\n" );
document.write( "x=1<BR>\n" );
document.write( "Put the value of x in (3)<BR>\n" );
document.write( "27x+4y=15.............(3)<BR>\n" );
document.write( "27(1)+4y=15<BR>\n" );
document.write( "27+4y=15<BR>\n" );
document.write( "4y=15-27<BR>\n" );
document.write( "4y=-12<BR>\n" );
document.write( "Divide by 4 both side of above equation<BR>\n" );
document.write( "4y/4=-12/4<BR>\n" );
document.write( "y=-3\r<BR>\n" );
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document.write( "(x,y)=(1, -3)\r<BR>\n" );
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document.write( "Check\r<BR>\n" );
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document.write( "Put the value of x and y in (1)<BR>\n" );
document.write( "9x+4y/3=5 ............(1)<BR>\n" );
document.write( "9(1)+4(-3)/3=5<BR>\n" );
document.write( "9-4=5<BR>\n" );
document.write( "5=5<BR>\n" );
document.write( "Put the value of x and y in (2)<BR>\n" );
document.write( "4x-y/3=5 .............(2)<BR>\n" );
document.write( "4(1)-(-3)/3=5<BR>\n" );
document.write( "4+1=5<BR>\n" );
document.write( "5=5 </SPAN>\n" );
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