Question

What is the solution to this system of linear equations?

Answer 1

The correct answer is c

Answer 2

Answer is B. (−8, −2)

y − x = 6

y + x = −10
...........................add
2y = -4
  y = -4/2
  y = -2

y − x = 6
-2 - x = 6
     -x = 6 + 2
      x = 8
      x = -8

(-8,-2)