Question

the sum of two integers is -12 if of e of them is 43 find other

Answer 1

Let both the integers be
$a \: and \: b$
Given,

$a + b = - 12$
Also, Let A be 43,
$43 + b = - 12 \\ b = - 12 - 43 = - 55$

Answer 2

Sum of two integers=-12
Let the other integer be x
Then
43+x=-12
x=-12-43
x=-55
Hope it helps!!