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10 April, 19:48

1. If. 4x + 4y = 18 and x = 2, what is the value

of 2y?

(A) 5

(B) 7

(C) 9

:-- - (D) - 10-

(E) 16

+3
Answers (2)
  1. 10 April, 20:17
    0
    A would be the answer.

    4 (2) + 4y = 18

    8 + 4y = 18

    -8 - 8

    4y = 10

    - -

    4y 4

    Y = 2.5

    2 (2.5) = 5
  2. 10 April, 20:27
    0
    Step-by-step explanation:

    4x + 4y = 18

    now we're going to carefully divid both sides by 2

    2x + 2y = 9

    now make 2y the subject

    2y = 9 - 2x

    = 9 - 2 * 2

    = 9 - 4

    2y = 5
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