Solve 12-(-2): Understanding Double Negative Subtraction

Question

12(2)= 12-(-2)=

Video Solution

Solution Steps

00:00 Solve
00:03 Negative times negative always equals positive
00:07 Open parentheses
00:12 Progress towards the positive side on the axis is to the right
00:16 Let's take 12 jumps to the right
00:24 Let's take 2 jumps to the right
00:32 And this is the solution to the question

Step-by-Step Solution

Let's remember the rule:

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

We'll write the exercise in the appropriate form:

12+(2)= 12+(2)=

We'll locate the number 12 on the number line, from which we'll move 2 steps to the right (since 2 is greater than zero):

-4-4-4-2-2-2000222444666888101214

We can see that we've reached the number 14.

Answer

14 14