Question

Solve 2x + 3y = 5 and 2x – 4y = – 16 and hence find the value of ‘m’ for which y = mx + 9

Answer 1

Answer:

2x + 3y = 5

5y = 5

y = 5/5

y 1 answer

Answer 2

❥Answer࿐

m = 3

Expln :-

2x + 3y = 5 (1)

2x - 4y = - 16 (2)

By elimination,

7y = 21

y = 3 & x = -2

Gievn :-

y = mx + c

3 = m(-2) + 9

-2m = -6

m = 3