7x - 4y = - 10

-x+4y = - 2

Label equation 1 and equation 2,

Then 4y can be cancelled down from both, so we would do equation 1 plus equation 2,

Once you did equation 1 plus equation 2 you should have:

6x=-8

So X = - 4/3

Then we would sub x into equation 2,

So it would be, 4/3+4y = - 2

Y=-5/6

So final answer is

X = - 4/3 Y = - 5/6