nichollove14
nichollove14 nichollove14
  • 24-08-2020
  • Mathematics
contestada

Solve the following system of equations using the elimination method.
6x + 7y = 10

–8x – 14y = –4
Question 3 options:

A)

(3,–8)

B)

(4,–2)

C)

(–4,6)

D)

(7,–3)

Respuesta :

meredith48034
meredith48034 meredith48034
  • 26-08-2020

Answer:

Step-by-step explanation:

12x + 14y = 20

-8x - 14y = -4

4x = 16

x = 4

6(4) + 7y = 10

24 + 7y = 10

7y = -14

y = -2

(4, -2)

the solution is B

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