Respuesta :
Answer:
-3
Step-by-step explanation:
7 - (-9) - 18 + (-19) +18
Remove the opposites
Remove the parentheses
7 + 9 - 19
Calculate
Answer:
-3
Step-by-step explanation:
7 - (-9) - 18 + (-19) +18
Remove the opposites
Remove the parentheses
7 + 9 - 19
Calculate