Answer:
8.3
Step-by-step explanation:
do whats in the brackets first.
13-17-1.3= -5.3
rewrite the equation
3-7+2-[-5.3]+5
3-7+2= -2
rewrite the equation
-2-[-5.3]+5
when 2 negative signs are together u change it to a positive sign.
rewrite the equation
-2+5.3+5
-2+5.3= 3.3
rewrite the equation
3.3+5=8.3