document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=698569>Question 698569</A>: <I><SPAN STYLE=\"word-break: break-all;\">  (1)solve for y in 3x+7y = 6x+1<BR>\n" );
document.write( "(2)solve the system of equation:  2x+5y =2<BR>\n" );
document.write( "                                 -7x+4y =20<BR>\n" );
document.write( "             </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #430829 by </B><A HREF=/tutors/aboutme.mpl?userid=sofiyac><B>sofiyac(983)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sofiyac><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=sofiyac><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=430829\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One problem at a time please.<BR>\n" );
document.write( "(1)solve for y in 3x+7y = 6x+1<BR>\n" );
document.write( "3x+7y = 6x+1 subtract 3x from each side of the equal sign<BR>\n" );
document.write( "7y=3x+1 divide each side by 7<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%283x%2B1%29%2F7 ALIGN=MIDDLE  ALT=\"y=%283x%2B1%29%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "(2)solve the system of equation:  <BR>\n" );
document.write( "2x+5y =2<BR>\n" );
document.write( "-7x+4y =20<BR>\n" );
document.write( "*************************************<BR>\n" );
document.write( "2x+5y =2  multiply this equation by  7<BR>\n" );
document.write( "-7x+4y =20 multiply this equation by 2\r<BR>\n" );
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document.write( "14x+35y=14<BR>\n" );
document.write( "-14x+8y=40   now add the two equations<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "43y=54   divide both sides by 43<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=54%2F43 ALIGN=MIDDLE  ALT=\"y=54%2F43\"   DISABLED_style= \"max-width:90%; height:auto;\" > now plug that into either of the original equations, i'll use first one, and solve for x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B5%2854%2F43%29=2 ALIGN=MIDDLE  ALT=\"2x%2B5%2854%2F43%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B270%2F43=2 ALIGN=MIDDLE  ALT=\"2x%2B270%2F43=2\"   DISABLED_style= \"max-width:90%; height:auto;\" > subtract 270/43 from each side<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x=86%2F43-270%2F43 ALIGN=MIDDLE  ALT=\"2x=86%2F43-270%2F43\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x=%2886-270%29%2F43 ALIGN=MIDDLE  ALT=\"2x=%2886-270%29%2F43\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x=%28-184%29%2F43 ALIGN=MIDDLE  ALT=\"2x=%28-184%29%2F43\"   DISABLED_style= \"max-width:90%; height:auto;\" > divide each side by 2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-184%29%2F86=-92%2F43 ALIGN=MIDDLE  ALT=\"x=%28-184%29%2F86=-92%2F43\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );