Question

subtract.
3 - (-4) =
-1 - (-3) =

Explanation:

Step1: Simplify first subtraction

Recall that subtracting a negative is adding a positive: $3 - (-4) = 3 + 4$

Step2: Calculate first sum

$3 + 4 = 7$

Step3: Simplify second subtraction

Apply the same rule: $-1 - (-3) = -1 + 3$

Step4: Calculate second sum

$-1 + 3 = 2$

Answer:

$3 - (-4) = 7$
$-1 - (-3) = 2$