document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=119255>Question 119255</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0030358272/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> How do i solve y=0.5x+2 and -y=-2x+4 by systems of substitution?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #87353 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=87353\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve y=0.5x+2 and -y=-2x+4 by systems of substitution? <BR>\n" );
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document.write( "y = 0.5x+2<BR>\n" );
document.write( "-y = -2x+4<BR>\n" );
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document.write( "Substitute 0.5x+2 in place of y:<BR>\n" );
document.write( "-(0.5x+2) = -2x+4<BR>\n" );
document.write( "-0.5x-2 = -2x+4<BR>\n" );
document.write( "Add 2x to both sides to get:<BR>\n" );
document.write( "1.5x = 6<BR>\n" );
document.write( " x = 4<BR>\n" );
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document.write( "Substitute to solve for \"y\":<BR>\n" );
document.write( "y = 0.5*4+2<BR>\n" );
document.write( "y = 2+2<BR>\n" );
document.write( "y = 4<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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