Solve the Addition Equation: Finding the Missing Number in -6 + ? = 4

6+(?)=4 -6+(?)=4 -5-5-5-4-4-4-3-3-3-2-2-2-1-1-1000111222333444555666-6-6-6

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1

Understand the problem

6+(?)=4 -6+(?)=4 -5-5-5-4-4-4-3-3-3-2-2-2-1-1-1000111222333444555666-6-6-6

2

Step-by-step solution

To know how much we need to add to -6 to get 4, we'll count the number of steps between the numbers.

Also, we'll pay attention to which direction we moved, if we went right then the number is positive, if we went left the number will be negative.

We'll locate the number -6, and move right until we reach the number 4, where each step represents one whole number, as follows:

-5-5-5-4-4-4-3-3-3-2-2-2-1-1-1000111222333444555666-6-6-6

We'll discover that the number of steps is 10. Since we moved right, the number is positive

3

Final Answer

10 10

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a is negative number.

b is negative number.

What is the sum of a+b?

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