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9 November, 18:58

The equation relates 3 variables.

7x + 2y = 2

If x = 3, and y = 2. What is the value of z?

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Answers (1)
  1. 9 November, 19:01
    0
    z = 25

    Step-by-step explanation:

    7x + 2y = z

    x = 3

    y = 2

    z = ?

    First, let's put in the values we do know.

    7 (3) + 2 (2) = z

    Let's solve this.

    7 * 3 = 21

    2 * 2 = 4

    21 + 4 = z

    Now, we must add the two together to find z.

    21 + 4 = 25

    25 = z

    z = 25
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