Question

Mean of 5, 8, 3x+4, 5x-9, 6, 10 is 8 then find x?

Answer 1

Answer:

thank you child

Answer 2

Given - All terms and mean

Find - Value of x

Solution - Mean is calculated using the formula mentioned as follows -

Mean = sum of all terms/number of terms

Keep the values in the formula to find the value of x.

8 = 5+8+(3x+4)+(5x-9)+6+10/6

Solving the above mentioned equation to find the value of x.

8*6 = 5 + 24 + 8x - 5

48 = 24 + 8x

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Performing the subtraction -

8x = 48 - 24

8x = 24

Performing the division -

x = 3

Thus, the value of x in given question is 3.