memeslotto memeslotto
  • 26-08-2020
  • Mathematics
contestada

solve each system by elimination 7x-4y=-6
-5x+4y=-2​

Respuesta :

oscar236
oscar236 oscar236
  • 26-08-2020

Answer:

(-4, -5.5).

Step-by-step explanation:

7x - 4y = -6

-5x + 4y = -2   Adding these 2 equations:

2x = -8

x = -4

Substituting for x:

7(-4) - 4y = -6

-4y =  - 6 + 28 = 22

y = -5.5.

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