asaprocky26 asaprocky26

16-03-2020
Mathematics

contestada

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

Respuesta :

igoroleshko156 igoroleshko156

16-03-2020

Answer:

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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