Six years

In six years Jan will be twice as old as he was six years ago. How old is he?

Result

n =  18

Solution:


n+6 = 2(n-6)

-n = -18

n = 18

Calculated by our simple equation calculator.







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To solve this example are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

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