lsalazar11 lsalazar11
  • 19-06-2019
  • Mathematics
contestada

2x + 3y = 17
5x + 6y = 32

Usibg method if elimination

Respuesta :

choixongdong
choixongdong choixongdong
  • 19-06-2019

Answer:

Solution (-2, 7)

Step-by-step explanation:

2x + 3y = 17      (1)

5x + 6y = 32    (2)

Using elimination method

Multiply (-2) to the equation (1)

-4x - 6y = -34  

Now you have 2 new equations

-4x - 6y = -34

5x + 6y = 32

----------------------------Add

x = -2

Substitute x = -2 into 2x + 3y = 17

2(-2) + 3y = 17

- 4 + 3y = 17

3y = 21

 y = 7

Solution (-2, 7)

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