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4 February, 09:09

Solve the following system:

y = x + 3

4x + y = 18

(6, 3)

(3, 6)

(-3, 6)

(3, - 6)

+3
Answers (2)
  1. 4 February, 11:20
    0
    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)
  2. 4 February, 12:11
    0
    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
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