Question

(2) If point (2. 3) lies on the graph of the equation 3x + ay = 18 then find the value of a

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Answer 1

Answer:

2×3+3a=18

3a=18_6

3a==12

a=12/3

a=4

Answer 2

Answer:

Correct option is

A

3

Since A(2,3) lies on 5x+ay=19

It satisfies the given equation.

⇒5×2+a×3=19

⇒10+3a=19

⇒3a=9

⇒a=3