document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=692125>Question 692125</A>: <I><SPAN STYLE=\"word-break: break-all;\">                    how do i solve system of equations? that look like these \r<BR>\n" );
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document.write( "         1.) 5x-3y=-4<BR>\n" );
document.write( "             x+2y=7<BR>\n" );
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document.write( "     i tried substitution : i moved the 5x to the other side and got ---->  -3y=-4-5x\r<BR>\n" );
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document.write( "     __-3y=-4-5x__  then substituted it in the second equation ---> x+2(-4/-3-5/-3x)=7 then i multiplied 2 to (-4/-3-5/-3x)   <BR>\n" );
document.write( "          -3<BR>\n" );
document.write( "                   then i got x-8/-3-10/-3x=7 and then i got confused and i didn't know what to do .\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 #426928 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=426928\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5x-3y=-4<BR>\n" );
document.write( "x+2y=7<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Using substitution, solve for y<BR>\n" );
document.write( "-3y = -4 - 5x<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F3+%2B+%285%2F3%29x ALIGN=MIDDLE  ALT=\"4%2F3+%2B+%285%2F3%29x\"   DISABLED_style= \"max-width:90%; height:auto;\" >  ==> the negative divided by a negative cancel out<BR>\n" );
document.write( "then, substitute<BR>\n" );
document.write( "x + 2(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F3%2B%285%2F3%29x ALIGN=MIDDLE  ALT=\"4%2F3%2B%285%2F3%29x\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 7 ==> distribute the 2<BR>\n" );
document.write( "x + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8%2F3+%2B+%2810%2F3%29x ALIGN=MIDDLE  ALT=\"8%2F3+%2B+%2810%2F3%29x\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 7 ==> multiply both sides by 3 to remove the fraction<BR>\n" );
document.write( "3x + 8 + 10x = 21 ==> combine like terms<BR>\n" );
document.write( "13x = 21 - 8<BR>\n" );
document.write( "13x = 13<BR>\n" );
document.write( "x = 1<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Rearrange x+2y=7 to solve for x<BR>\n" );
document.write( "x = 7-2y, then substitute<BR>\n" );
document.write( "5(7-2y) - 3y = -4 ==> distribute the 5<BR>\n" );
document.write( "35 - 10y - 3y = -4<BR>\n" );
document.write( "-13y = - 4 - 35<BR>\n" );
document.write( "-13y = -39<BR>\n" );
document.write( "y = 3<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Solution<BR>\n" );
document.write( "(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%281%29 ALIGN=MIDDLE  ALT=\"highlight_green%281%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%283%29 ALIGN=MIDDLE  ALT=\"highlight_green%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "………………………<BR>\n" );
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