document.write( "Question 896263: the sum of three consecutive odd numbers is 63.Find them.
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Algebra.Com's Answer #543517 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! B=A+2 \n" ); document.write( "C=A+4 \n" ); document.write( "where A is the smallest number (they're consecutive odd so they'll be 2 apart) \n" ); document.write( "A + B + C = 63 \n" ); document.write( "Substitute the known values of B & C from the top equations into the bottom \n" ); document.write( "A + B + C = 63 \n" ); document.write( "A + (A+2) + (A+4) = 63 \n" ); document.write( "3A + 6 = 63 \n" ); document.write( "Subtract 6 from each side \n" ); document.write( "3A = 57 \n" ); document.write( "Divide each side by 3 \n" ); document.write( "A = 19 \n" ); document.write( "If A is 19, then B is 21, and C is 23 \n" ); document.write( "19+21+23=63 \n" ); document.write( " \n" ); document.write( "There's a faster way. \n" ); document.write( "Take 63 and divide it by the number of values \n" ); document.write( "63/3=21 \n" ); document.write( "That will be your middle number, with a number on each side of it. \n" ); document.write( " |