Question

If x = 1, y = 1 is a solution of equation 9ax + 12ay = 63 then, the value of a is



(A) -3 (B) 3 (C) 7 (D) 5​

Answer 1

Answer:

3 option b

Step-by-step explanation:

mark as brainliest

Answer 2

Answer:

Step-by-step explanation:

9ax + 12ay = 63

Putting x=1 and y=1

9a*1+12a*1=63

21a=63

a=63/21=3