Dirtdogg9000 Dirtdogg9000

23-11-2020
Mathematics

contestada

Help me solve this problem please

Help me solve this problem please class=

Respuesta :

dontexpose3 dontexpose3

23-11-2020

Answer: (2, -2)

x=2, y=-2

Answer Link

gcantiga44 gcantiga44

23-11-2020

Answer:

(2, -2)

Step-by-step explanation:

4x + y = 6

x - 2y = 6

x = 2y + 6

4(2y + 6) + y = 6

8y + 24 + y = 6

9y + 24 = 6

9y = 6 - 24

9y = -18

y = -18 ÷ 9

y = -2

4x + (-2) = 6

4x - 2 = 6

4x = 6 + 2

4x = 8

x = 8 ÷ 4

x = 2

Confirm:

4x + y = 6

4(2) - 2 = 6

8 - 2 = 6

6 = 6 (Correct)

(2, -2)

Answer Link

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