Respuesta :

camisashrimp
Answer

-9


Explanation

Since it is 9+(-18) you can change the equation to 9-18 to make it easier to understand. Therefore 9-18= -9
25morelsah

-9

9 is positive and 18 is negative, so since 18 is negative, you subtract 18 from 9 and get -9.

To check your answer, on a number line, plot 9, and move 18 to the left.

Otras preguntas