document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=392568>Question 392568</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use substitution to solve for x and y\r<BR>\n" );
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document.write( "y+2x=12<BR>\n" );
document.write( "x+2y=12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278621 by </B><A HREF=/tutors/aboutme.mpl?userid=haileytucki><B>haileytucki(390)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=haileytucki><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=haileytucki><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=278621\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y+2x=12_x+2y=12\r<BR>\n" );
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document.write( "Since 2x does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 2x from both sides.<BR>\n" );
document.write( "y=-2x+12_x+2y=12\r<BR>\n" );
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document.write( "Replace all occurrences of y with the solution found by solving the last equation for y.  In this case, the value substituted is -2x+12.<BR>\n" );
document.write( "y=-2x+12_x+2(-2x+12)=12\r<BR>\n" );
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document.write( "Multiply 2 by each term inside the parentheses.<BR>\n" );
document.write( "y=-2x+12_x-4x+24=12\r<BR>\n" );
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document.write( "Since x and -4x are like terms, add -4x to x to get -3x.<BR>\n" );
document.write( "y=-2x+12_-3x+24=12\r<BR>\n" );
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document.write( "Since 24 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 24 from both sides.<BR>\n" );
document.write( "y=-2x+12_-3x=-24+12\r<BR>\n" );
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document.write( "Add 12 to -24 to get -12.<BR>\n" );
document.write( "y=-2x+12_-3x=-12\r<BR>\n" );
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document.write( "Divide each term in the equation by -3.<BR>\n" );
document.write( "y=-2x+12_-(3x)/(-3)=-(12)/(-3)\r<BR>\n" );
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document.write( "Simplify the left-hand side of the equation by canceling the common factors.<BR>\n" );
document.write( "y=-2x+12_x=-(12)/(-3)\r<BR>\n" );
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document.write( "Simplify the right-hand side of the equation by simplifying each term.<BR>\n" );
document.write( "y=-2x+12_x=4\r<BR>\n" );
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document.write( "Replace all occurrences of x with the solution found by solving the last equation for x.  In this case, the value substituted is 4.<BR>\n" );
document.write( "y=-2(4)+12_x=4\r<BR>\n" );
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document.write( "Multiply -2 by each term inside the parentheses.<BR>\n" );
document.write( "y=-8+12_x=4\r<BR>\n" );
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document.write( "Add 12 to -8 to get 4.<BR>\n" );
document.write( "y=4_x=4\r<BR>\n" );
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document.write( "This is the solution to the system of equations.<BR>\n" );
document.write( "y=4_x=4 </SPAN>\n" );
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