document.write( "Question 904494: if 15 is decreased by 7 times the sum of 5 and 3 times a number, the result is 12 more than twice the sum of the number and 7. find the number? \n" ); document.write( "
Algebra.Com's Answer #548734 by ewatrrr(24785)\"\" \"About 
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15-7(3n+5) = (2n+7) + 12
\n" ); document.write( "-20 = 23n + 19
\n" ); document.write( "-39 = 23n
\n" ); document.write( "-39/23 = n
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