SOLUTION: My question is: The difference of 21 and the product of 5 and a number y is less than 7. Please help ?

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Question 206964: My question is: The difference of 21 and the product of 5 and a number y is less than 7.
Please help ?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
You can solve the problem like a regular equation then change the + to less than.
21-5y=7
-5y=7-21
5y=14
y=2.8
so y must be less than 2.8