SOLUTION: five times the sum of 7 and some number is 80. what is the number?

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Question 872606: five times the sum of 7 and some number is 80. what is the number?
Answer by manu17(3) About Me  (Show Source):
You can put this solution on YOUR website!
let the number be x
5*(7+x)=80
35+5*x=80
x=45/5
x=9