document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=153264>Question 153264</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can You please help me this these problems\r<BR>\n" );
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document.write( "1. Solve the equation using addition (elimination) method. If the answere is an unique solution present it as an ordered pair:(x,y),if not specify whether the answere is \"no solution\" or \"infinitely many solution\"<BR>\n" );
document.write( "5x-4y =1<BR>\n" );
document.write( "- 10x +8y + =-3\r<BR>\n" );
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document.write( "2. Solve the equation by using the substitution method. If the answere is a unique solution present it as an ordered pair. If not specify whether it \"no solution\" or \"infinitely many solution.<BR>\n" );
document.write( "7x + y = 1<BR>\n" );
document.write( "3x + 2y = -9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #112820 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=112820\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Solve the equation using addition (elimination) method. If the answere is an unique solution present it as an ordered pair:(x,y),if not specify whether the answere is \"no solution\" or \"infinitely many solution\"<BR>\n" );
document.write( "5x-4y =1<BR>\n" );
document.write( "- 10x +8y + =-3\r<BR>\n" );
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document.write( "then doing 1st eq by 2\r<BR>\n" );
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document.write( "10x-8y=2<BR>\n" );
document.write( "-10x+8y=-3\r<BR>\n" );
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document.write( "adding both equations\r<BR>\n" );
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document.write( "0=-1 then the system has \"no solution\"\r<BR>\n" );
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document.write( "2. Solve the equation by using the substitution method. If the answere is a unique solution present it as an ordered pair. If not specify whether it \"no solution\" or \"infinitely many solution.<BR>\n" );
document.write( "7x + y = 1<BR>\n" );
document.write( "3x + 2y = -9\r<BR>\n" );
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document.write( "from the 1st eq we have y=-7x+1<BR>\n" );
document.write( "then using 2nd eq we have 3x + 2(-7x+1)=-9<BR>\n" );
document.write( "-11x+2=-9<BR>\n" );
document.write( "-11x=-11<BR>\n" );
document.write( "x=1<BR>\n" );
document.write( "and y=-7(1)+1=-6\r<BR>\n" );
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document.write( "Then solution is (1,-6)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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