SOLUTION: Seven times a number if increased by 11 is 81 find the number?

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Question 1098184: Seven times a number if increased by 11 is 81 find the number?
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
let x represent the number.

7x + 11 = 81
subtract 11 from both sides of this equaton to get 7x + 11 = 11 = 81 - 11
combine like terms to get 7x = 70
divide both sides of this equation by 7 to get 7x/7 = 70/7
simplify to get x = 10

10 is your number.

7 * 10 + 11 = 70 + 11 = 81