document.write( "Question 508949: The sum of three numbers is 20. The second number is 4 times the first, and the sum of first and third is 8. And we are solving system of equations so all I needed was the three equations\r
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Algebra.Com's Answer #341206 by scott8148(6628)\"\" \"About 
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\"The sum of three numbers is 20\" ___ a + b + c = 20\r
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\n" ); document.write( "\n" ); document.write( "\"The second number is 4 times the first\" ___ b = 4a\r
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\n" ); document.write( "\n" ); document.write( "\"the sum of first and third is 8\" ___ a + c = 8
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