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What is the solution to this system of linear equations?

y − x = 6

y + x = −10

A. (−2, −8)
B. (−8, −2)
C. (6, −10)
D. (−10, 6)

Respuesta :

supercoolkid02
the correct answer is c
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)



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