Question

Find the value of X

11, 20, x, 7
Mean = 14
x = _____

Answer 1

11+20+7+x= (4)(14)
38+x=56
-38+x=56-38
X=18

Answer 2

18

Explanation:

because their is 4 numbers multiply 14 by 4 14*4=56

then minus the three numbers you have to get 18 56-11-20-7=18