The ratio of incomes of two persons is `9:7`and the ratio of their expenditures is `4:3`. If each of them manages to save Rs 2000 per month, find their monthly incomes.

Explanation

Let income of first person `= 9x`

Then, income of second person `= 7x`

Let expenditutres of first person `= 4y`

Then, expenditutres of second person `= 3y`

Now, we are given,

`9x-4y = 2000->(1)`

`7x-3y = 2000->(2)`

From (1) and (2),

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