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
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: