document.write( "Question 986306: log2 (x+y)=3 and x2-3y2=4, solve the above equation
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Algebra.Com's Answer #607087 by Alan3354(69443)\"\" \"About 
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log2 (x+y)=3
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\n" ); document.write( "\"log%282%2C%28x%2By%29%29+=+3\" --> x+y = 8
\n" ); document.write( "y = 8-x
\n" ); document.write( "Sub for y in the 2nd equation.
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\n" ); document.write( "Use ^ (Shift 6) for exponents.
\n" ); document.write( "x^2 - 3y^2 = 4
\n" ); document.write( "\"x%5E2+-+3%288-x%29%5E2+=+4\"
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