Answer:
B is correct
Step-by-step explanation:
-(-x) = x, because a double negative like this equals a positive.
Therefore, you are actually saying -x+x= 0 which is true.
Answer:
the second one is the anwser
Step-by-step explanation:
1/4, because in 1/3, you would only need 3 parts to get one whole, but in 1/4, you would need 4 parts to get a whole.
So if seven is 7, and its 7+k=blah blah blahAnd the first number there was is 7.5 so k+7=7.5 k is 0.5
