v8nhekiz76 v8nhekiz76
  • 25-04-2021
  • Mathematics
contestada

2x - 4y = -2
2x + 3y = -16

What is the solution

Respuesta :

lauracampbell25 lauracampbell25
  • 25-04-2021

Answer:

x=-5

y=-2

Step-by-step explanation:

equation 1 - equation 2

(2x-4y=-2) - (2x+3y=-16) = (-7y=14)

y=14/-7=-2

then substitute y=-2 into any equation

2x-4(-2)=-2

2x+8=-2

2x=-10

x=-10/2=-5

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