Question

the mean of 6,6+2x,5,8+3x is 20.find the value of x

Answer 1

Mean=20
$20 = \frac{6 + (6 + 2x) +( 5) +( 8 + 3x)}{4} \\ 80 = 25 + 5x \\ 65 = 5x \\ x = \frac{65}{5} \\ x = 13$
Value of x is 13

Answer 2

Step-by-step explanation:

it is correct