How do you solve #6+(-6)#?
2 Answers
Mar 4, 2018
Explanation:
Using a number line may help. Starting with a point '6' units to the right (a positive value), we "add" a negative value by moving to the left (-6). The result is:
Mar 4, 2018
0
Explanation:
1) When adding a negative number it is essentially taking away the negative number if it had been positive:
- If this is the step you weren't confident with : Imagine you have $6 in the bank and you want to buy a ball for $6. Even though the bank would add the value of the ball to your account they would add a negative 6 dollars (-$6). So when adding this negative value, you would end up with a lower number, in this case, 0.
2) And as you know, anything minus itself is 0:
For future reference:
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plus minus (+-) or minus plus (-+) just mean minus (-)
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minus minus (--) or (plus plus) (++) just mean plus (+)