Question

the sum of two integers is -75 if one of them is -57.Find the order​

Answer 1

let the second be = x

first number = -57

the sum = -75

x+(-57) = (-75)

x = (-75)-(-57)

x = (-18)

Answer 2

The answer is -18. Cause (-57)+(-18)=-75. The + and - would change to -