document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=631583>Question 631583</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for X and Y\r<BR>\n" );
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document.write( "2X + 7Y= -31 <BR>\n" );
document.write( "4X -4Y =-8 </SPAN>\n" );
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document.write( "so first we will get rid of the x's \r<BR>\n" );
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document.write( "multiply the first equaition by (-2) because we need a -4x, because -4x+4x = 0<BR>\n" );
document.write( "see?\r<BR>\n" );
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document.write( "so our first equation becomes -4x+-14=62<BR>\n" );
document.write( "and our second equation stays the same.\r<BR>\n" );
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document.write( "-4x-14y=62<BR>\n" );
document.write( "  4x-4y =-8\r<BR>\n" );
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document.write( "add all the terms together and you will end up with:-18y=54\r<BR>\n" );
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document.write( "y=-3\r<BR>\n" );
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document.write( "what we now have to do in order to find x is to plug in the y into the ORIGINAL equation(it doesn't matter which one)\r<BR>\n" );
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document.write( "4x-4(-3)=-8<BR>\n" );
document.write( "4x+12=-8<BR>\n" );
document.write( "4x=-20\r<BR>\n" );
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document.write( "x=-5\r<BR>\n" );
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document.write( "so your final answer is y=-3 and x=-5 we used the elimination method </SPAN>\n" );
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