Question

the sum of two integer is -12 . if on of the is 43 ,find the other

Answer 1

$x + y = - 12 \\ x = 43 \\ 43 + y = - 12 \\ y - 12 - 43 \\ y = - 55$

Answer 2

Answer:

if one of the is 43 ,

let another be x

43+x= -12

x = -12-43

x= -55