Question

5x + 4y = -1
-7x - 2y = -13

Answer 1

x = 3

y = -4

Explanation:

multiply the second equation by 2 to get: -14x - 4y = -26

now add 5x + 4y = -1

-9x = -27

x = 3

solve for 'y':

5(3) + 4y = -1

15 + 4y = -1

4y = -16

y = -4