Respuesta :

Answer:

7

Step-by-step explanation:

Work with PEMDAS

(Subtracting a negative from a negative is the same thing as adding)

7-(-19)-18+(-19)+18

7-(-19)=26

-18+(-19)=-37

26-37+18= 7

Pat100

Answer:

7+19-18-19+18

=45 whan a negative multiples another negative u will get a positive and when a positive multiples a negative u will get a negative, so take note of that

Step-by-step explanation: