Jane and Miro

Jane brother Miro is 42 years. And he is three times old as it was Jane when Miro was for so many years as there are now Jane. How old is Jane?

Correct result:

j =  28

Solution:


42 = 3(j-x)
42-x = j

42 = 3•(j-x)
42-x = j

3j-3x = 42
j+x = 42

j = 28
x = 14

Our linear equations calculator calculates it.



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