document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=839718>Question 839718</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve each linear system using elimintion\r<BR>\n" );
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document.write( "a) 4x+5y =14<BR>\n" );
document.write( "   2x-3y= -2\r<BR>\n" );
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document.write( "solve using substitution<BR>\n" );
document.write( "a) 3a+b-4=0<BR>\n" );
document.write( "   2a-10=3b\r<BR>\n" );
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document.write( "b) 3p-6q =0<BR>\n" );
document.write( "   4p+q=3 i keep trying and when i check its always wrong :(<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 #505820 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=505820\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) 4x+5y =14<BR>\n" );
document.write( "   2x-3y= -2<BR>\n" );
document.write( "multiply the top equation by 3 and the bottom by 5<BR>\n" );
document.write( "12x+15y=42<BR>\n" );
document.write( "10x-15y=-10<BR>\n" );
document.write( "add them together<BR>\n" );
document.write( "22x = 32<BR>\n" );
document.write( "x = 32/22<BR>\n" );
document.write( "x = 16/11<BR>\n" );
document.write( "substitute 16/11 in 2x-3y=-2<BR>\n" );
document.write( "2(16/11) -3y = -2<BR>\n" );
document.write( "32/11 -3y = -2<BR>\n" );
document.write( "add -32/11 to each side<BR>\n" );
document.write( "-3y = -2 -32/11<BR>\n" );
document.write( "-3y = -22/11 -32/11<BR>\n" );
document.write( "-3y = -54/11<BR>\n" );
document.write( "y = 18/11<BR>\n" );
document.write( "check http://www.wolframalpha.com/input/?i=4x%2B5y+%3D14+%2C+2x-3y%3D+-2<BR>\n" );
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document.write( "3a+b-4=0<BR>\n" );
document.write( "2a-10=3b<BR>\n" );
document.write( "Let's use the first equation to solve for b<BR>\n" );
document.write( "3a+b-4= 0<BR>\n" );
document.write( "add -3a+4 to each side<BR>\n" );
document.write( "b = -3a+4<BR>\n" );
document.write( "substitute -3a+4 for b in 2a-10=3b<BR>\n" );
document.write( "2a-10=3(-3a+4)<BR>\n" );
document.write( "2a-10=-9a+12<BR>\n" );
document.write( "add 9a to each side<BR>\n" );
document.write( "11a -10=12<BR>\n" );
document.write( "add 10 to each side<BR>\n" );
document.write( "11a = 22<BR>\n" );
document.write( "a = 2<BR>\n" );
document.write( "substitute 2 for a in b = -3a+4<BR>\n" );
document.write( "b=-3(2)+4<BR>\n" );
document.write( "b=-6+4<BR>\n" );
document.write( "b=-2<BR>\n" );
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document.write( "3p-6q =0<BR>\n" );
document.write( "4p+q=3<BR>\n" );
document.write( "Using the second equation solve for q<BR>\n" );
document.write( "add -4p to each side<BR>\n" );
document.write( "q = 3 -4p<BR>\n" );
document.write( "substitute 3-4p for q in 3p-6q =0<BR>\n" );
document.write( "3p-6(3-4p) =0<BR>\n" );
document.write( "3p-18+24p = 0<BR>\n" );
document.write( "27p -18 = 0<BR>\n" );
document.write( "add 18 to each side<BR>\n" );
document.write( "27p = 18<BR>\n" );
document.write( "divide by 27<BR>\n" );
document.write( "p = 18/27<BR>\n" );
document.write( "p = 2/3<BR>\n" );
document.write( "substitute 2/3 for p in q = 3 -4p<BR>\n" );
document.write( "q = 3 -4(2/3)<BR>\n" );
document.write( "q = 3 -8/3<BR>\n" );
document.write( "q = 9/3 -8/3<BR>\n" );
document.write( "q = 1/3<BR>\n" );
document.write( "These are pretty difficult for this type of problem.<BR>\n" );
document.write( "Check out www.wolframalpha.com<BR>\n" );
document.write( "Put a comma between equations. </SPAN>\n" );
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