document.write( "Question 887103: find three consecutive even numbers such that the sum of the first and the last numbers exceeds the second number by 10 \n" ); document.write( "
Algebra.Com's Answer #536364 by JulietG(1812)\"\" \"About 
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B = A+2 (consecutive and even)
\n" ); document.write( "C = A+4
\n" ); document.write( "A + C = B + 10 (the sum of the first and the last numbers exceeds the second number by 10)
\n" ); document.write( "Substitute the known values of B & C from the top equations into the bottom.
\n" ); document.write( "A + C = B + 10
\n" ); document.write( "A + (A+4) = (A+2) + 10
\n" ); document.write( "Add
\n" ); document.write( "2A + 4 = A + 12
\n" ); document.write( "Subtract A from each side
\n" ); document.write( "A + 4 = 12
\n" ); document.write( "Subtract 4 from each side
\n" ); document.write( "A = 8
\n" ); document.write( ".
\n" ); document.write( "If A = 8, then B = 10, and C = 12
\n" ); document.write( "8 + 12 = 10 + 10
\n" ); document.write( "20 = 20
\n" ); document.write( "Success!
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