document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=268758>Question 268758</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 7x + 4y = -4<BR>\n" );
document.write( "5x + 8x = 28<BR>\n" );
document.write( "how do you solve the system of equations by elimination </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #196935 by </B><A HREF=/tutors/aboutme.mpl?userid=persian52><B>persian52(161)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=persian52><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=persian52><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=196935\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7x+4y=-4_5x+8x=28\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Since 5x and 8x are like terms, add 8x to 5x to get 13x.<BR>\n" );
document.write( "7x+4y=-4_13x=28\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Divide each term in the equation by 13.<BR>\n" );
document.write( "7x+4y=-4_(13x)/(13)=(28)/(13)\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Simplify the left-hand side of the equation by canceling the common terms.<BR>\n" );
document.write( "7x+4y=-4_x=(28)/(13)\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Replace all occurrences of x with the solution found by solving the last equation for x.  In this case, the value substituted is (28)/(13).<BR>\n" );
document.write( "7((28)/(13))+4y=-4_x=(28)/(13)\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Multiply 7 by each term inside the parentheses.<BR>\n" );
document.write( "(196)/(13)+4y=-4_x=(28)/(13)\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Since (196)/(13) does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting (196)/(13) from both sides.<BR>\n" );
document.write( "4y=-(196)/(13)-4_x=(28)/(13)\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Simplify the right-hand side of the equation.<BR>\n" );
document.write( "4y=-(248)/(13)_x=(28)/(13)\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Divide each term in the equation by 4.<BR>\n" );
document.write( "(4y)/(4)=-(248)/(13)*(1)/(4)_x=(28)/(13)\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Simplify the left-hand side of the equation by canceling the common terms.<BR>\n" );
document.write( "y=-(248)/(13)*(1)/(4)_x=(28)/(13)\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Simplify the right-hand side of the equation by simplifying each term.<BR>\n" );
document.write( "y=-(62)/(13)_x=(28)/(13)\r<BR>\n" );
document.write( "\n" );
document.write( "&#9658;Replace all occurrences of y with the solution found by solving the last equation for y.  In this case, the value substituted is -(62)/(13).<BR>\n" );
document.write( "=&#9658; y=-(62)/(13)<BR>\n" );
document.write( "=&#9658; x=(28)/(13) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );