cenavas156 cenavas156
  • 03-01-2019
  • Mathematics
contestada

Y=1/2x - 2 and y=-3x+5 solve this system by substitution

Respuesta :

mathecoach
mathecoach mathecoach
  • 06-01-2019

Answer:

I. y = 1/2*x - 2

II . y = -3*x + 5


1/2*x - 2 = -3*x + 5

7/2*x - 2 = 5

7/2*x = 7

x = 7 * 2/7 = 2


y = 1/2*2 - 2 = -1

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