Question

Integers :
12 + ( -12 ) = ___​

Answer 1

when + is multiplied with - we get -

so

here the answer is 12-12 which is 0

Answer 2

$\large{\underbrace{\underline{\mathrm{Understanding\:the\:concept}}}}$

To subtract an integer from another integer its enough to add the additive inverse of the integer that is being subtracted to other integer.

Additive inverse of integer is just the change of sign.

　　　　　　　　　　　 

$\large{\underline{\boxed{\mathrm\blue{Solution:}}}}$

Given : 12 + ( -12 ) = ___

To find : Fill in the blank

　　_________________

Use the fact that : $\large \rm { + \:and\:- = - }$

$\blue\rightarrow$$12 - 12 = __$

$\purple\rightarrow$$12 - 12$

$\pink\rightarrow$$12 - 12 = 0$

$\large{\underline\mathbf{Hence,12-12=0}}$