Question

For the data 3,5,7,9,2x+3,15,19,2x-6,21.
If the mean is 12, then find the value of x...

Answer 1

2x-6=12
or, 2x=12+6
or, 2x=18
or, x=18/2
or,x=9

Answer 2

Answer:

Step-by-step explanation: