Question

If the mean of 5, -7, X, – 4,
mean of 5, -7, x, - 4. 9.8 and 4is 3 then find 'x.​

Answer 1

Answer:

10.2

Step-by-step explanation:

(5+(-7)+(-4) +9.8+4+3)/6 = 3

(7.8+x)/6 = 3

x = 18-7.8 = 10.2

Answer 2

Step-by-step explanation:

10.2 is the answer

your answer is in the above image

plz check it's right or wrong