Question

what is the mean of x, x+3,x+6,x+9 and x+12​

Answer 1

$\huge\fbox{\fbox{\fbox{\pink{\underline{Answer}}}}}$

Mean = x+6

Step-by-step explanation:

$\sf \: mean = \dfrac{x + x + 3 + x + 6 + x + 9 + x + 12}{5} \\ \\\sf mean = \dfrac{5x + 30}{5} \\ \\\sf mean = x + 6$

Answer 2

Answer:

Answer is x=20/5=4

Step-by-step explanation:

x+x+3+x+6+x+9+x+12/5=10

= 5x+30/5=10

= 5x+30=50

=5x=50-30

= x= 20/5=4