Question
The opposite number of 3 is______
- -3
- -4
- -5
- -6
Hint:
Two numbers are said to opposites of each other, if their sum add up to 0.
The correct answer is: -3
We are asked to find opposite of 3. Let that be x. Thus, we have
. Solving the equation, we have:
![3 plus x equals 0
x equals negative 3](data:image/png;base64,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)
Hence, the correct answer is option a.
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