Question

the mean of x x+3 x+6 x +9 and x+12 is 10 then x is​

Answer 1

Answer: x=4

Step-by-step explanation:

On addition the of all we will get (x+x+3+x+6+x+9+x+12)/5

On solving (5x+30)/5

5(x+6)/5=10(given)

x+6=10

x= 4

Done