Question

Write properties of addition of

integers with one example each for class 7​

Answer 1

Step-by-step explanation:

Properties of Integers

Integer Property Addition Subtraction

Commutative Property x + y = y+ x x – y ≠ y – x

Associative Property x + (y + z) = (x + y) +z (x – y) – z ≠ x – (y – z)

Identity Property x + 0 = x =0 + x x – 0 = x ≠ 0 – x

Closure Property x + y ∈ Z

Answer 2

Integers are closed under addition, i.e. for any two integers a and b, a + b is an integer. Ex: 3 + 4 = 7; (– 9) + 7 = – 2. Closure property under subtraction: Integers are closed under subtraction, i.e. for any two integers a and b, a – b is an integer.

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