Question

Subtract 1 + ( - 1 ) - ( - 3 ). Hint: Add the first two numbers, then subtract the -3 from the result of that addition.

3
5
-5
-3

Answer 1

3

Explanation:

Answer 2

3

Explanation:

1 + (-1) - (-3)

when adding a negative number to a positive number remove the addition sign.

1 - 1 - (-3)

0 - (-3) Make addition sign

0 + 3 = 3