document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=864305>Question 864305</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the elimination method to solve the given system of equations.  Please show all work\r<BR>\n" );
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document.write( " 7x + 2y = 10\r<BR>\n" );
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document.write( "-7x + y = -16 </SPAN>\n" );
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document.write( "7x + 2y = 10<BR>\n" );
document.write( "-7x + y = -16<BR>\n" );
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document.write( "0x + 3y = -6\r<BR>\n" );
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document.write( "So 3y = -6 ----> y = -2 (dividing both sides by 3)\r<BR>\n" );
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document.write( "Now use y = -2 and any equation with x,y in it to find x\r<BR>\n" );
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document.write( "7x + 2y = 10\r<BR>\n" );
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document.write( "7x + 2(-2) = 10\r<BR>\n" );
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document.write( "7x - 4 = 10\r<BR>\n" );
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document.write( "7x = 10 + 4\r<BR>\n" );
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document.write( "7x = 14\r<BR>\n" );
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document.write( "x = 14/7\r<BR>\n" );
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document.write( "So the solutions are x = 2 and y = -2 </SPAN>\n" );
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