document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181387>Question 181387</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Problem Solving <BR>\n" );
document.write( "20. a) Can you solve the linear system y=2x-3 and 4x-2y=6? Explain your reasoning.<BR>\n" );
document.write( "b) Can you solve the linear system y=2x-3 and 4x-2y=8? Explain your reasoning.<BR>\n" );
document.write( "c) Explain how you can tell, without solving, how many solutions a linear system has?<BR>\n" );
document.write( "pleaseeeeeeeeeee i need it right now and thankssssssssss </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #136009 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=136009\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Problem Solving <BR>\n" );
document.write( "20. a) Can you solve the linear system y=2x-3 and 4x-2y=6? Explain your reasoning.<BR>\n" );
document.write( "Put both in slope-intercept form.<BR>\n" );
document.write( "y = 2x-3<BR>\n" );
document.write( "y = 2x-3<BR>\n" );
document.write( "The system has an infinite number of solutions of the form (x,2x-3)<BR>\n" );
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document.write( "b) Can you solve the linear system y=2x-3 and 4x-2y=8? Explain your reasoning.<BR>\n" );
document.write( "c) Explain how you can tell, without solving, how many solutions a linear system has?<BR>\n" );
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document.write( "You cannot solve without solving, but you can solve by various methods.<BR>\n" );
document.write( "One way is to put both equations in slope-intercept form, comparing<BR>\n" );
document.write( "the slopes, and comparing the intercepts.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );