SOLUTION: If a number by 7 and the product is increased by 42 the result is 87 greater than twice the opposite of the number. Find the number... This is a riddle my sister and I have bee

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: If a number by 7 and the product is increased by 42 the result is 87 greater than twice the opposite of the number. Find the number... This is a riddle my sister and I have bee      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 562814: If a number by 7 and the product is increased by 42 the result is 87 greater than twice the opposite of the number. Find the number...
This is a riddle my sister and I have been trying to figure out for days now, do you think you could find the answer ? :/ Please and Thankyou !!

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
7n + 42 = 2(-n) + 87

9n = 45 ___ n = 5