1.

Verify the following properties whena = 12 and b = 15.a. a-(-5) = a + bC. a +(-a) = -a + a = 0b. a + (-b) = a - bd. -b-(-b) = 0​

Answer»

Answer:

The answers are 27, 0, -3, and 0

Step-by-step explanation:

Using the value of a and b we get,

a) 12-(-15)=12+15

12+15=12+15

27=27

c) 12+(-12)=-12+12=0

12-12=-12+12

0=0

b) 12+(-15)=12-15

12-15=12-15

-3=-3

d)-15-(-15)=0

-15+15=0

0=0

Hope it will help you



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