Q: What is the opposite of negative 21?

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negative means opposite therefore -(-21) = 21 so your answer is 21

The opposite of negative is positive

A question like this is usually referring to the number line. The opposite of 68 would be -68, on the negative side of the number line.

Negative in English terms means "opposite." Multiplication can represent "of". So, negative times negative is the "opposite of the opposite." And the opposite of an opposite is the same, hence positive, because "same" is the opposite of "opposite" and positive is the opposite of negative. So if you put it into English words, it actually makes some sense. In essence, negative and negative "cancel out."

The question is somewhat ambiguous since you do not define "opposite". If what you are asking is: is the negative of a negative sometimes negative, the answer is: No, never.

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negative means opposite therefore -(-21) = 21 so your answer is 21

A question like this is usually referring to the number line. The opposite of 68 would be -68, on the negative side of the number line.

The opposite of negative is positive

Negative in English terms means "opposite." Multiplication can represent "of". So, negative times negative is the "opposite of the opposite." And the opposite of an opposite is the same, hence positive, because "same" is the opposite of "opposite" and positive is the opposite of negative. So if you put it into English words, it actually makes some sense. In essence, negative and negative "cancel out."

The opposite is: negative (the absolute value of negative 30).

It is the sign that is opposite, not the number But if the number magnitude is the same, it is correct to say that ,for example, negative 6 is the opposite of positive six. But negative 4 is not the opposite of negative 8, for example

opposite of mean "negative" so the opposite of x is negative x or -x.

The question is somewhat ambiguous since you do not define "opposite". If what you are asking is: is the negative of a negative sometimes negative, the answer is: No, never.

if a is bad, then negative bad or not bad is good.-a means the opposite of a. Since a is negative and the opposite of a negative is positive, -a is positive.

No. The product of two opposite numbers is always negative. Negative x positive = negative and Positive x negative = negative

The opposite of the opposite is the original value, -9.

never a negative number * * * * * ... true if, by opposite, you mean the additive inverse. However, the multplicative inverse is also an opposite. And the multiplicative inverse of a negative number is always negative.