I've been having trouble with my math(7th grade) so if you can give me math problems that I can do and explain the units I've done so that way I understand that would be helpful, thank you.

do you have any social media ? I can help you out. I'm a freshman ! And I'd love to help you, I just don't really know how to use this app

the perimeter is increased by a factor of 2

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.