document.write( "Question 21953: The sum of three consecutive integers is 42. \n" ); document.write( "

Algebra.Com's Answer #10579 by josmiceli(19441) $\"\"$ $\"About$

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let a be the first integer
\n" ); document.write( "a + 1 is the next integer
\n" ); document.write( "a + 2 is the third
\n" ); document.write( "a + (a + 1) + (a +2) = 42
\n" ); document.write( "add the integers
\n" ); document.write( "3a +3 = 42
\n" ); document.write( "combine terms
\n" ); document.write( "3a = 39
\n" ); document.write( "a = 13
\n" ); document.write( "a + 1 = 14
\n" ); document.write( "a + 2 = 15
\n" ); document.write( "check: 13 + 14 + 15 = 42 \n" ); document.write( "

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