Question

add without using the number line (-138-(-122)​

Answer 1

Answer:

-16

Step-by-step explanation:

(-138-(-122)

(-138+122) because it is -into- is+

-16

Answer 2

Answer:

-16

Step-by-step explanation:

$( - 138 - ( - 122) \\ = - 138 + 122 \\ - 138 + 122 = - 16$

1st step: [-138-[-122]

2nd step: remove the brackets = - 138 +122

3rd step: minus into plus is equal to minus

So, - 138+122= - 16