SOLUTION: seven year ago,jackson's age was 2/5 of the age he will be 20 years from now.how old is jackson now?

Question 894505: seven year ago,jackson's age was 2/5 of the age he will be 20 years from now.how old is jackson now?

Answer by harpazo(655) (Show Source): You can put this solution on YOUR website!
Jackson's age now is x.

Jackson's age 7 years ago is x - 7.

Jackson's age 20 years from now is x + 20.

x - 7 = (2/5)(x + 20)

5 (x - 7) = 5 times (2/5)(x + 20)

5x - 35 = 2x + 40

5x - 2x = 40 + 35

3x = 75

x = 75/3

x = 25

Jackson is now 25 years old.

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