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  • 27-04-2021
  • Mathematics
contestada

I need help with this elimination problem

I need help with this elimination problem class=

Respuesta :

LammettHash
LammettHash LammettHash
  • 27-04-2021

Add up the same sides of both equations to eliminate x :

(x - 2y) + (-x + 3y) = 8 + (-5)

(x - x) + (-2y + 3y) = 8 - 5

y = 3

Then

x - 2y = x - 6 = 8   →   x = 14

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