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)![]() ![]() You can put this solution on YOUR website! 15-7(3n+5) = (2n+7) + 12 \n" ); document.write( "-20 = 23n + 19 \n" ); document.write( "-39 = 23n \n" ); document.write( "-39/23 = n \n" ); document.write( " \n" ); document.write( " |