Solve 15-(-4): Understanding Double Negative Subtraction

Question

15(4)= 15-(-4)=

Video Solution

Solution Steps

00:00 Solve
00:03 Negative times negative always equals positive
00:09 Open parentheses
00:12 Calculate
00:15 And this is the solution to the question

Step-by-Step Solution

Let's remember the following law:

(x)=+ -(-x)=+

Now let's write the exercise in the appropriate form:

15+(4)=19 15+(4)=19

Answer

19 19