1.

If(5.k) is a solution of the equation 2x +y-7 0, find the value of k.Solve the following equations:

Answer»

(5,k) is solution of 2x +y -7 = 0Therefore put x = 5 and y = k , in the given equation.So,2×5 + k - 7 = 010 + k -7 = 0k = -3



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