document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=962338>Question 962338</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for x,y by substitution\r<BR>\n" );
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document.write( "3x-4y=10<BR>\n" );
document.write( "    x=-y+1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #587938 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=587938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x - 4y = 10<BR>\n" );
document.write( "x = -y + 1<BR>\n" );
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document.write( "substitute for x in first equation using second equation<BR>\n" );
document.write( "3*(-y + 1) -4y = 10<BR>\n" );
document.write( "-3y +3 -4y = 10<BR>\n" );
document.write( "-7y +3 = 10<BR>\n" );
document.write( "-7y = 7<BR>\n" );
document.write( "y = -1<BR>\n" );
document.write( "x = -(-1) + 1<BR>\n" );
document.write( "x = 2<BR>\n" );
document.write( "solution is x = 2 and y = -1<BR>\n" );
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document.write( "check answer by substituting for x and y in first euation<BR>\n" );
document.write( "(3*2) - 4*(-1) = 10<BR>\n" );
document.write( "6 +4 = 10<BR>\n" );
document.write( "10 = 10<BR>\n" );
document.write( "our answer checks<BR>\n" );
document.write( " </SPAN>\n" );
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