Question

because que is very hard

Answer 1

Hey there,

Let's start from the very beginning,

WHAT IS ADDITIVE INVERSE?

Consider a real number a, then the additive inverse of a will be -a.

So, if there are 3 numbers a, b and c then their additive inverses will be -a, -b and -c respectively.

So is the case in this question-
a+b+c=k
then -a-b-c=-k

Since k=-61/15

So -k=61/15 which is the answer.

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07161020
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