natay12 natay12
  • 02-12-2019
  • Mathematics
contestada

Y = -22x +9
y = 40x - 3

Respuesta :

Yang100
Yang100 Yang100
  • 02-12-2019

Answer:

x=6/31, y=147/31. (6/31, 147/31).

Step-by-step explanation:

y=-22x+9

y=40x-3

-----------------

-22x+9=40x-3

9=40x-(-22x)-3

9=40x+22x-3

9=62x-3

62x=9+3

62x=12

x=12/62

simplify,

x=6/31

-----------------

y=40(6/31)-3=240/31-3=240/31-93/31=147/31

x=6/31, y=147/31.

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