document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=654294>Question 654294</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi. My problem is: Solve the linear system by using elimination <BR>\n" );
document.write( "So<BR>\n" );
document.write( "7x - 4y = -30<BR>\n" );
document.write( "3x + 4y = 10\r<BR>\n" );
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document.write( "I tried                    \r<BR>\n" );
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document.write( "7x -                        3•-2 <BR>\n" );
document.write( "3x.                          -6 + 4y = 10<BR>\n" );
document.write( "10x = -20 = (-2,  ).   +6.           +6<BR>\n" );
document.write( "                                       4y = 16 / 4 = 4 ??? Am I performing this correct? Please help. Final answer is (-2,4) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #408676 by </B><A HREF=/tutors/aboutme.mpl?userid=lenny460><B>lenny460(1073)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lenny460><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=lenny460><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=408676\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi. My problem is: Solve the linear system by using elimination <BR>\n" );
document.write( "So<BR>\n" );
document.write( "7x - 4y = -30<BR>\n" );
document.write( "3x + 4y = 10\r<BR>\n" );
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document.write( "I tried                    \r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "7x -                        3•-2 <BR>\n" );
document.write( "3x.                          -6 + 4y = 10<BR>\n" );
document.write( "10x = -20 = (-2,  ).   +6.           +6<BR>\n" );
document.write( "                                       4y = 16 / 4 = 4 ??? Am I performing this correct? Please help. Final answer is (-2,4)\r<BR>\n" );
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document.write( "7x - 4y = -30 (eq1)\r<BR>\n" );
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document.write( "3x + 4y = 10 (eq2)\r<BR>\n" );
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document.write( "7x - 4y + 3x + 4y = -30 + 10\r<BR>\n" );
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document.write( "Combine like terms:\r<BR>\n" );
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document.write( "7x + 3x = 10x\r<BR>\n" );
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document.write( "-4y + 4y = 0\r<BR>\n" );
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document.write( "-30 + 10 = -20\r<BR>\n" );
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document.write( "Therefore:\r<BR>\n" );
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document.write( "10x = -20\r<BR>\n" );
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document.write( "Divide each side by 10\r<BR>\n" );
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document.write( "10x/10 = -20/10\r<BR>\n" );
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document.write( "x = -2\r<BR>\n" );
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document.write( "3x + 4y = 10 (eq2)\r<BR>\n" );
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document.write( "3(-2) + 4y = 10\r<BR>\n" );
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document.write( "-6 + 4y = 10\r<BR>\n" );
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document.write( "Add 6 to each side of the equation.\r<BR>\n" );
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document.write( "-6 + 4y + 6 = 10 + 6\r<BR>\n" );
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document.write( "Combine like terms:\r<BR>\n" );
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document.write( "-6 + 6 = 0\r<BR>\n" );
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document.write( "10 + 6 = 16\r<BR>\n" );
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document.write( "4y = 16\r<BR>\n" );
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document.write( "Divide each side by 4\r<BR>\n" );
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document.write( "4y/4 = 16/4\r<BR>\n" );
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document.write( "y = 4\r<BR>\n" );
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document.write( "Check:\r<BR>\n" );
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document.write( "7x - 4y = -30\r<BR>\n" );
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document.write( "7(-2) - 4(4) = -30\r<BR>\n" );
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document.write( "-14 - 16 = -30\r<BR>\n" );
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document.write( "Therefore:<BR>\n" );
document.write( "The Answer:\r<BR>\n" );
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document.write( "x = -2 and y = 4\r<BR>\n" );
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document.write( "Lennox Obuong<BR>\n" );
document.write( "Algebra Student<BR>\n" );
document.write( "Email: obuong3@aol.com </SPAN>\n" );
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