londonnn londonnn

19-06-2020
Mathematics

contestada

Solve the following system:

y = x + 3
4x + y = 18

(6, 3)

(3, 6)

(−3, 6)

(3, −6)

Respuesta :

Аноним Аноним

19-06-2020

Answer:

B (3 ; 6)

Step-by-step explanation:

y = x + 3

4x + y = 18

4x + x + 3 = 18

5x = 18 - 5

5x = 15

x = 15 : 5

x = 3

y = x + 3

y = 3 + 3

y = 6

Answer Link

SvetkaChem SvetkaChem

19-06-2020

Answer:

B. (3, 6)

Step-by-step explanation:

y = x + 3

4x + y = 18

4x + x + 3 = 18

5x = 18 - 3

5x = 15

x = 3

y = x + 3 = 3 + 3 = 6

(3, 6)

Answer Link

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