Find x if the meanof 1,3,6,8,x is 6

x=12

Step-by-step explanation:

(1+3+6+8+x)/5=6

1+3+6+8+x=30

18+x=30

x=12

12.

Step-by-step explanation:

There are 5 numbers so the sum, if the mean is 6, is 30.

1 + 3 + 6 + 8 + x = 30

18 + x = 30

x = 30 - 18 = 12.

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.