Question

When adding negative and positive numbers, you can use the associative and commutative properties to find any zero pairs and groups of 10's. Which expression shows the second step of this method?
(-3) + 15 + (-7) + (-9) + 7 + (-5) + 3?

5 + (-2) + (-2)

25 + (-24)

12 + (-16) + 5

0 + 0 + 10 + (-9)

Answer 1

welcome to os

Answer 2

Thank you...