document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=153220>Question 153220</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the solution of the system; type and ordered pair.\r<BR>\n" );
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document.write( "9x-2y=-47<BR>\n" );
document.write( "8x+48=y\r<BR>\n" );
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document.write( "Please talk me through this. I have quite a few examples of how to solve it, it's just that instead of an addition sign theres a subtraction sign and it's confusing my dumb little mind. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #112749 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=112749\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 9x-2y=-47<BR>\n" );
document.write( "8x+48=y <BR>\n" );
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document.write( "Rearrange to use elimination:<BR>\n" );
document.write( "9x - 2y = -47<BR>\n" );
document.write( "8x - y  = -48<BR>\n" );
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document.write( "Now the objective is to have the same number of x's or y's in both equations.<BR>\n" );
document.write( "So, multiply the 2nd equation by 2 and rewrite the system.<BR>\n" );
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document.write( "9x - 2y = -47<BR>\n" );
document.write( "16x -2y  = -96<BR>\n" );
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document.write( "Subtract the 1st equation from the 2nd to get:<BR>\n" );
document.write( "7x = -49<BR>\n" );
document.write( "x = -7<BR>\n" );
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document.write( "Substitute into 8x+48=y to solve for \"y\":<BR>\n" );
document.write( "y = 8*-7 + 48<BR>\n" );
document.write( "y = -56 + 48<BR>\n" );
document.write( "y = -7<BR>\n" );
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document.write( "Final solution: (-7,-7)<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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