1.

If x = 1;y = 1 is a solution of the equation 3x + ay = 6, find the value of ‘a’.

Answer»

Given that x = 1; y = 1 is a solution of 3x + ay = 6.

Thus 3(1) + a(1) = 6 

⇒ 3 + a = 6 

⇒ a = 6 – 3 = 3



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