Five friends all brought some cakes with them when they met. Each of them gave a cake to each of the others. They then ate all t
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Answer: The required value of y is 19.
Step-by-step explanation: We are given to find the value of y in the solution to the following system of equations :
Comparing equations (i) and (ii), we get
From equation (i), we get
Thus, the required value of y is 19.