Question

find x if the mean of x, x + 2, x + 5, x + 6 and x + 12 is 9 *

Answer 1

Step-by-step explanation:

$\frac{x + x + 2 + x + 5 + x + 6 + x + 12}{9}$

$\frac{5x + 25}{9}$

$x = \frac{5 + 25}{9}$

$x = \frac{30}{9}$

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Answer 2

Answer:

x = 30/9

Step-by-step explanation:

Thanks...........