Question

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

Answer 1

Answer:

HELLO!!

ANSWER IS (a) 3

x = - 1

y = 3

a = ?

5x + ay = 4

now put values

5(-1) + a(3) = 4

(-5) + 3a = 4

now,

3a = 4 + 5

3a = 9

a = 9/3

by cutting,

a = 3/1

a = 3

I HOPE THIS ANSWER IS HELPFUL FOR YOU