If the mean of four numbers 2, 4, x and 6 is 5, then x is ?

The value of the unknown number x is 8.

The given numbers include:

The sum of the given numbers is calculated as follows;

2 + 4 + x + 6 = 12 + x

The mean of the given 4 numbers is calculated as follows;

Thus, the value of the unknown number x is 8.

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x = 8

Step-by-step explanation:

Step 1: Create an equation

(2+4+x+6) ÷ 4 = 5

Step 2: Solve the equation

(12+x) ÷ 4 = 5

(12+x) = 20

x = 8

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step-by-step explanation: