Question

Use number properties to simplify the following expression.

-5 + (5 + 3)

Answer 1

Any ideas?

Answer 2

-5+8=?

Answer 3

8+(-5

Answer 4

recall the associative property of addition

Answer 5

3?

Answer 6

$$\Huge -5 + (5 + 3) = (-5 + 5) + 3$$

Answer 7

yes, the answer is 3, but the question asks for you to use the properties of real numbers

Answer 8

next use the property of opposites:

(-5 + 5 ) +3 = 0 +3

and finally the identity property of addition:

0 +3 = 3

Answer 9

thx

Answer 10

Thanks for asking :-)