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

12−(−2)= 12-(-2)=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:03 Let's solve this problem.
00:06 Remember, negative times negative always equals positive.
00:11 Now, let's open the parentheses.
00:15 Moving to the right means progress towards the positive side on the number line.
00:20 Let's imagine taking twelve jumps to the right.
00:27 Then, let's take another two jumps to the right.
00:35 And that's how we find the solution to the question!

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

12−(−2)= 12-(-2)=

2

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.

3

Final Answer

14 14

Practice Quiz

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a is negative number.

b is negative number.

What is the sum of a+b?

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