Question

The sum of – 17 and ‘a’ is 4, then additive inverse of ‘a’ is
a.13 b. - 13 c. - 21 d. 21​

Answer 1

$\begin{gathered}{\Huge{\textsf{\textbf{\underline{\underline{\purple{Answer:}}}}}}}\end{gathered}$

$\implies$c) -21

REASON:-

[ - × - = + ]Formula.

So, -17 + -21 = 4