document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=159585>Question 159585</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My problem asks me this: <BR>\n" );
document.write( "Solve each system of linear equations. \r<BR>\n" );
document.write( "\n" );
document.write( "y=x+2<BR>\n" );
document.write( "y=2x\r<BR>\n" );
document.write( "\n" );
document.write( "Do I use the xy chart to help work this problem and where do I go from there?<BR>\n" );
document.write( "The problem has 2 variables and I don't know how to bring it down to one variable.<BR>\n" );
document.write( "Please help me!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #117681 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=117681\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve each system of linear equations.<BR>\n" );
document.write( "y=x+2<BR>\n" );
document.write( "y=2x <BR>\n" );
document.write( ":<BR>\n" );
document.write( "Look at the 2nd equation, that means any place in the problem that y occurs,<BR>\n" );
document.write( "you can replace it with 2x, right?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Take the 1st equation, replace y with 2x, then solve for x<BR>\n" );
document.write( "2x = x + 2<BR>\n" );
document.write( "2x - x = +2, subtracted x from both sides<BR>\n" );
document.write( "x = 2<BR>\n" );
document.write( ":<BR>\n" );
document.write( "You can use either equation to find y. Replace x with 2, using the 2nd equation:<BR>\n" );
document.write( "y = 2(2)<BR>\n" );
document.write( "y = 4<BR>\n" );
document.write( ":<BR>\n" );
document.write( "This is called the substitution method, there are other methods you can use<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check solution in 1st equation, by replacing x with 2 and y with 4, to see if equality reigns:<BR>\n" );
document.write( "y = x + 2<BR>\n" );
document.write( "4 = 2 + 2; confirms your solutions,  did this help?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );