radomes.openskiesproject.org
Carloscruz Carloscruz
  • 28-10-2015
  • Mathematics
Answered

{3x-y=10

{2x+y=5

Answer y=

×=

Verified Answer :

Panoyin
Panoyin Panoyin
  • 28-10-2015

3x -  y = 10
2x + y = 5
      5x = 15
       5      5
        x = 3
 3x - y = 10
3(3) - y = 10
    9 - y = 10
  - 9        - 9
        -y = 1
        -1   -1
         y = -1
   (x, y) = (-1, 3)

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