Solve the Equation: Finding the Missing Number in (?)+(-2)=13

Solve the following problem:

(?)+(−2)=13 (?)+(-2)=13

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Complete the missing
00:03 Start from point (13) on the axis in the positive direction (right)
00:08 The number is directed, and negative
00:11 Let's isolate the unknown
00:14 Therefore add 2 to 13, jump 2 in the positive direction (right)
00:24 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Solve the following problem:

(?)+(−2)=13 (?)+(-2)=13

2

Step-by-step solution

Let's locate the number 13 on the number line.

Since zero is greater than negative 2, we'll move two steps to the right from the number 13.

The number we've reached is 15:

888151515999141414131313121212111111101010-1-2

3

Final Answer

15 15

Practice Quiz

Test your knowledge with interactive questions

a is negative number.

b is negative number.

What is the sum of a+b?

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