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10 March, 18:55

Solve this equation for x in terms of y and z

7x - 5y - 2z = 4

What is he value of x when y = 5 and z = 3

+3
Answers (1)
  1. 10 March, 19:07
    0
    x = 5

    Step-by-step explanation:

    Step 1: Set y to 5 and z to 3

    7x - 5 (5) - 2 (3) = 4

    7x - 25 - 6 = 4

    7x - 31 = 4

    Step 2: Add 31 to both sides

    7x - 31 + 31 = 4 + 31

    7x = 35

    Step 3: Divide both sides by 7

    7x / 7 = 35 / 7

    x = 5

    Answer: x = 5
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