document.write( "Question 385523: Solve the system for x and y
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\n" ); document.write( "x^2 + y^2 = 5 \n" ); document.write( "
Algebra.Com's Answer #272761 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi
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document.write( "solving the system by Substitution
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document.write( "y -2x = 0  Or   y = 2x
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document.write( "x^2 + y^2 = 5
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document.write( "x^2 + (2x)^2 = 5
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document.write( "x^2 + 4x^2 = 5
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document.write( "   5x^2 = 5
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document.write( "    x^2 = 1
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document.write( "     x = ± 1
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document.write( "     y = ± 2 \n" );
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