math subtract -2.3 - {-8.8}.?

-2.3 - (-8.8) = -2.3 + 8.8 = 6.5

-(8.8) is called the absolute value. subtracting a negative number makes it the same as positve. you are basically adding 8.8 to -2.3 which equals 6.5

-2.3 - (-8.8)
= -2.3 + 8.8
= 8.8 - 2.3
= 6.5

-2.3 - {-8.8}
-2.3 -1{-8.8}
distribute
-2.3 + 8.8 --- negative * negative = positive
8.8 - 2.3
6.5 --- answer

The answer is 6.5, because the -8.8 means 0 - 8.8 and those two negatives make a positive so the problem is actually -2.3+8.8 or
8.8-2.3

-2.3+8.8=6.5

-2.3-(-8.8)
change the signs
-2.3+(8.8)
then subtract
6.5

-2.3+8.8=6.5