A teacher wrote the numbers 10 ,-2, 4, 3, -1, -7 ,1 on a white board.the teacher asked which number should she write in order to
make the sum of all the numbers equal to zero?
1 answer:
Let x be that number:
x +10 -2 +4 + 3 - 1 - 7 +1 = 0
x +8 = 0
and x = - 8
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THE ANSWER IS D whoops lol sorry i was in an argument lol
She had none left. if she only had a meter and then used a meter there would be none left.
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hope this helped
