vmochoa1 vmochoa1
  • 08-05-2019
  • Chemistry
contestada

Which equation results from adding the equations in this system? -2x+y=8 5x-y=-5

Respuesta :

superman1987
superman1987 superman1987
  • 08-05-2019

Answer:

3 x = 3.

Value of x = 1 and y = 10.

Explanation:

  • Adding the two equations:

-2x + y = 8

5x - y = -5

  • Will give:

5x + (-2x) + y + (-y) = 8 + (-5)

∴ 3 x = 3.

∴ x = 1.

  • Substituting in any equation to get y:

-2(1) + y = 8.

∴ y = 10.

Answer Link
kiddos543 kiddos543
  • 16-05-2020

Answer:

3x =  3

Explanation:

Got it right on edge 2020 :)

Answer Link

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