SOLUTION: If the product of 14 and a number is decreased by 7, and then the result is divided by 5, the answer is 7. What is the unknown number?
Algebra.Com
Question 749441: If the product of 14 and a number is decreased by 7, and then the result is divided by 5, the answer is 7. What is the unknown number?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
(14x-7)/5=7 cross multiply
14x-7=7*5
14x-7=35
14x=35+7
14x=42
x=42/14
x=3 ans.
Proof:
(14*3-7)/5=7
(42-7)/5=7
35=7*5
35=35
RELATED QUESTIONS
if the product of 5 and a number is decreased by 7, the result is... (answered by ikleyn)
if a number is decreased by 14 and that result is then divided by 5, the answer is 15.... (answered by edjones)
when a number is decreased by 7 and the result is divided by 5 the final answer is... (answered by Cromlix)
If the product of -3 and the opposite of a number is decreased by 7, the result is 1... (answered by ankor@dixie-net.com)
what is the product of 5 and some number decreased by 7 is equal to... (answered by swincher4391)
A number is decreased by 7 and twise this result is 34. What is the... (answered by nerdybill,Alan3354)
A number is decreased by 7 and twice this result is 34.What is the... (answered by ptaylor)
If 6 times a number is decreased by 5, the result is 7 more than the sum of 3 times the... (answered by josmiceli,mananth)
If the product of 3 and a number is decreased by 5, the result is 17. Find the... (answered by chessace)