Question

Which of the following expressions illustrates the commutative property of addition?

3 + (-7) = (-7) + 3
-4(5) = 5(-4)
4 + (1 + 8) = (4 + 1) + 8
-2(6 + 8) = (-2)(6) + (-2)(8)

Use the order of operations to simplify the following expression.

-23 + |7| - 4 · 2

-10
-38
-9
-23

Answer 1

Answer:

3+(-7)=-7+3

3-7=-4

-4=-4

LHS=RHS

Answer 2

Answer:

3+(-7)=7+3

3-7=-4

-4=-4