Question

The mean of 7, 9,x+3,12,2x - 1 and 3 is 9. Find the value of x.​

Answer 1

Step-by-step explanation:

value of x is 5 .hope it helps!!!!!!!

Answer 2

Answer:

The value of x is 7

Step-by-step explanation:

The mean of 7,9,x+3,12,2x-1,3 is 9.

So, 9= 7+9+x+3+12+2x-1+3/6

9= 33+3x/6

54= 33+3x

54-33= 3x

3x= 21

So, x = 7