Question

The sum of two integers is -12. if on of them is 43 . find the other

Answer 1

Sum of two integers are = -12
one of them = 43 
let the other one be x.
then,x+43=-12
⇒x=-12-43=-55
Hence the other number = -55(Ans)

Answer 2

$\boxed{ \huge{ \fcolorbox{red}{black}{ \pink{AnsWer}}} }$

Let the other no. be x.

$\: \: \: \: x + 43 = - 12$

$x = - 12 - 43$

$x = - 55$.