document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=295209>Question 295209</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am struggling with some of these problems please help\r<BR>\n" );
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document.write( "Solve each system by substitution:\r<BR>\n" );
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document.write( "(b)	y = 13x + 14<BR>\n" );
document.write( "        x = y - 1\r<BR>\n" );
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document.write( "John </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #212776 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=212776\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve each system by substitution: <BR>\n" );
document.write( "(a) 5x + y = 10<BR>\n" );
document.write( "3x – 3y = 6<BR>\n" );
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document.write( "1st: Solve the 1st equation for \"y\":<BR>\n" );
document.write( "y = 10-5x<BR>\n" );
document.write( "2nd:<BR>\n" );
document.write( "Substitute for \"y\" in the 2nd equation and solve for \"x\":<BR>\n" );
document.write( "3x - 3(10-5x) = 6<BR>\n" );
document.write( "3x -30+15x = 6<BR>\n" );
document.write( "18x = 36<BR>\n" );
document.write( "x = 2<BR>\n" );
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document.write( "3rd: Since y = 10-5x, solve for \"y\":<BR>\n" );
document.write( "y = 10-5*2 = 0<BR>\n" );
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document.write( "Solution: (2,0)<BR>\n" );
document.write( "Check your answer in the two original equations.<BR>\n" );
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document.write( "(b) y = 13x + 14<BR>\n" );
document.write( "x = y - 1 <BR>\n" );
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document.write( "1st: The 2nd equation is already solved for x,<BR>\n" );
document.write( "so substitute for \"x\" in the 1st equation:<BR>\n" );
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document.write( "y = 13(y-1) + 14<BR>\n" );
document.write( "y = 13y-13+14<BR>\n" );
document.write( "y = 13y +1<BR>\n" );
document.write( "12y = -1<BR>\n" );
document.write( "y = -1/12<BR>\n" );
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document.write( "2nd: Since x = y-1<BR>\n" );
document.write( "x = (-1/12)-1<BR>\n" );
document.write( "x = -13/12<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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