document.write( "Question 870536: Using the method of substitution find the value of x and y.\r
\n" ); document.write( "\n" ); document.write( "y = x^2 - 2x -6
\n" ); document.write( "y + x^2 - 4
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Algebra.Com's Answer #524934 by josgarithmetic(39630)\"\" \"About 
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\n" ); document.write( "x=-1.
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