Question

6. If x=-1, y = 3 is a solution of the equation 5x + ay = 4, then value of a is:
(a3
(b) 4
(c) 5
(d)9
​

Answer 1

answer: (a) 3

substitute respective values.

5x + ay = 4

-1 + 3a = 4

3a = 9

a = 3

Answer 2

Answer:

(a)3

Step-by-step explanation:

5x+ay=4

⇒5×(-1)+a×3=4

⇒-5+3a=4

⇒3a=4+5

⇒a=9/3

⇒a=3

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