Which of the following
the correct expanded form for the series below?
4
Σ(3n+7)
n=1

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

you didn't give an question you just gave us a statement