Answer:
-487
Step-by-step explanation:
Remove parentheses.
-456-45+11+3
−456−45+11+3
2 Simplify -456-45−456−45 to -501−501.
-501+11+3
−501+11+3
3 Simplify -501+11−501+11 to -490−490.
-490+3
−490+3
4 Simplify.
−487
Step-by-step explanation: I hope this helps:/
