Question

Find the sum of -515+215 and verify by using commutative property

Answer 1

Answer:   -300

Step-by-step explanation:  - (515 - 215)

Answer 2

Answer:

Step-by-step explanation:

Commutative property of addition

Is a+b = b+a

In this sum let a = -515 and b= 215

So now

a + b = -515 + 215 = - 300

b+a = 215 +(-515) = -300

So a+b = b+a

Hence proved