document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=180954>Question 180954</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the substitution method of y=2x-1 and y=-3x+4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #135657 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=135657\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what is the substitution method of y=2x-1 and y=-3x+4<BR>\n" );
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document.write( "The substitution method can be used for any set of equations.<BR>\n" );
document.write( "I'll proceed assuming you meant to ask how the substitution method can be used to solve for x and y in the 2 equations you entered.<BR>\n" );
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document.write( "y=2x-1 and y=-3x+4<BR>\n" );
document.write( "Since both expressions on the right sides of the eqns = y, they equal each other.<BR>\n" );
document.write( "2x-1 = -3x+4<BR>\n" );
document.write( "This is substitution, the right sides were substituted for y.<BR>\n" );
document.write( "Add 3x<BR>\n" );
document.write( "5x-1 = 4<BR>\n" );
document.write( "Add 1<BR>\n" );
document.write( "5x = 4<BR>\n" );
document.write( "x = 1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx<BR>\n" );
document.write( "Now substitute 1 for x into either eqn to find y.<BR>\n" );
document.write( "y = 2*1-1<BR>\n" );
document.write( "y = 1 yyyyyyyyyyyyyyyyyyyyyyyyyyyy<BR>\n" );
document.write( "we're done.\r<BR>\n" );
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