SOLUTION: Twice Jack's age plus 5 is 21. Write and solve an equation. How old is Jack?
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Question 883192: Twice Jack's age plus 5 is 21. Write and solve an equation. How old is Jack?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let Jack's age =
given:
Subtract from both sides
Divide both sides by
------------
Jack is 8
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