Question

Use the rules for integer addition to simplify the expression. Negative seven plus negative four equals what value?

negative eleven

negative eight

zero

positive six

whats the answer

Answer 1

Picture it like this.
each N = -1 , so NN is like -2
each P = 1 so PPPP = 4

If you have -7

NNNNNNN

and you're adding to that - 4, or, adding 4 more Ns

NNNNNNN NNNN


How many Ns are there?
That's your answer.

Answer 2

so 11

Answer 3

-11

N is like -1
NN is like -2

NNN NNN NNN NN is like -11

:)

Answer 4

thanks alot

Answer 5

What do you think -7 MINUS -4 would be?

Answer 6

If you start with -7

NNN NNN N

then subtract - take away - four N's?