Question

7x - y = - 1 (7x + 3y = - 25)

Answer 1

Answer:(-1,-6)

Explanation:

Answer 2

x = -1

y = -6

Explanation:

7x - y = -1 -> y = 1 + 7x

7x + 3y = - 25

Put y = 1 +7x -> 7x + 3(1 +7x) = -25

-> x = -1

-> y = -6