if (5, k) is the solution of the equation 2 X + Y - 7 is equal to zero find the value of k
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Given eq is 2X+Y-7=0 and (x,y) are (5,k)
Then 2(5)+k-7=0
10+k-7=0
Hence k=-3
Then 2(5)+k-7=0
10+k-7=0
Hence k=-3
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