Question

PLEASE HELP

Let n be the middle number of three consecutive even integers. Write an expression for the sum of these integers.

Answer 1

even numbers are per definition, divisible by 2 right ?

Answer 2

the equation is 3x+6
where x is the first number

Answer 3

says be sure to use a variable

Answer 4

a correct* variable

Answer 5

wait i got the answeer ...

Answer 6

the answer is 3n

Answer 7

if n is the middle term then the term greater to it will be n+2 and the term lesser to it will be n-2 ...
when you add then all you get
n-2+n+n+2=3n

Answer 8

thanks

Answer 9

yeah,that's it. the knowledge is that even numbers count +2,+2,+2:
2,4,6,8,...

number * 2 will be divisible by 2,
and one more *2 is +2

Answer 10

3*2 = 6,
4*2 = 8 - which is the same as 6+2

Answer 11

i understand it now ty