Madirino Madirino
  • 22-05-2020
  • Mathematics
contestada


Solve the system of equations below.

x + y = 8
3x + 2y = 21
(3, 5)
(5, 3)
(2, 6)
(6, 2)

Respuesta :

wolf1728
wolf1728 wolf1728
  • 22-05-2020

Answer:

A) x + y = 8

B) 3x + 2y = 21

We multiply A) by -2

A) -2x -2y  = -16 Then we add this to

B) 3x + 2y = 21

x = 5

y = 3

Second answer is correct

Step-by-step explanation:

Answer Link

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