Several properties are used to evaluate this expression. identify the property used in each step. 21 + (19 + 36): (21 + 19) + 36:

A final result is obtained by adding two or more integers together. Commutative, associative, distributive, and additive identity are the four major characteristics of b. b means that even if the order changes, the addition result will remain the same.

Equation to be used: 21 + (36 + 0 + 19)

The identity property of addition states that a + 0 = a.
21 + (36 + 0 + 19) = 21 + (36 + 19)
Using the commutative property of addition, a + b equals a + b.
21 + (36 + 19) Equals 21 + (19 + 36)
By using the associative property of addition, the formula is: a + (b + c) = a + b + c.
21 + (19 + 36) Equals (21 + 19) + 36
Put two more numbers within the bracket now.
(21 + 19) + 36 = 40 + 36
A + B Equals C, any number, using the closure property of addition.
40 + 36 = 76
Hence 21 + (36 + 0 + 19) Equals 76.

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I understand that the you are looking for is :

Several properties are used to evaluate this expression. Identify the property used in each step.

21 + (36 + 0 + 19)

21 + (36 + 19):

21 + (19 + 36):

(21 + 19) + 36:

40 + 36

76