Raquelr13 Raquelr13
  • 12-01-2018
  • Mathematics
contestada

Rodney is given two linear equations: x – y = 11 and 2x + y = 19. What value of x should he get as a solution for this system of linear equations?

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mathmate
mathmate mathmate
  • 12-01-2018
Add the two equations and solve for x.

x-y=11 ...................(1)
2x+y=19.................(2)

(1)+(2)
x+2x-y+y = 11+19
3x=30
x=10  (answer)

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gs138569 gs138569
  • 12-01-2018
the answer would be 10, just got this right

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