The two charges that have a sum of zero is a +7 charge and -7 charge.
Which of the two charges have a sum of zero?
The sum of a number is what is dervied when two or more numbers are added togther. Addition is one of the basic matematical operations. The sign used to denote addition is +,
The following are the sum of the two charges:
- +7 + 7 = +14
- -7 - 7 = -14
- +7 - 7 = 0
- +7 + 0 = 7
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