What Is Negative Plus Positive?

What does a negative and a positive make?

When you have two negative signs, one turns over, and they add together to make a positive.

If you have a positive and a negative, there is one dash left over, and the answer is negative..

Why is a negative plus a negative a positive?

When you multiply a negative by a negative you get a positive, because the two negative signs are cancelled out.

What happens if you subtract a negative from a positive?

So, instead of subtracting a negative, you are adding a positive. Basically, – (-4) becomes +4, and then you add the numbers. For example, say we have the problem -2 – –4. This would read “negative two minus negative 4”.

What’s the rule for plus and minus?

The Rules:RuleExample+(+)Two like signs become a positive sign3+(+2) = 3 + 2 = 5−(−)6−(−3) = 6 + 3 = 9+(−)Two unlike signs become a negative sign7+(−2) = 7 − 2 = 5−(+)8−(+2) = 8 − 2 = 62 more rows

What are the rules for adding subtracting multiplying and dividing positive and negative numbers?

The rule for multiplying and dividing is very similar to the rule for adding and subtracting.When the signs are different the answer is negative.When the signs are the same the answer is positive.

What is negative plus positive equal?

Summary: Adding two positive integers always yields a positive sum; adding two negative integers always yields a negative sum. To find the sum of a positive and a negative integer, take the absolute value of each integer and then subtract these values. … The sum of any integer and its opposite is equal to zero.

Why do 2 minus make a plus?

This is in fact the reason why the negative numbers were introduced: so that each positive number would have an additive inverse. … The fact that the product of two negatives is a positive is therefore related to the fact that the inverse of the inverse of a positive number is that positive number back again.

What do you get when you divide a negative by a negative?

Rule 3: a negative number divided by a negative number equals a positive number. Two negatives make a positive, so a negative number divided by a negative number equals a positive number. For example, -8 / -2 = 4.

What does a plus and minus sign together mean?

The plus–minus sign (also, plus or minus sign), ±, is a mathematical symbol with multiple meanings. In mathematics, it generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction. … In chemistry, the sign is used to indicate a racemic mixture.

What are the integer rules for adding and subtracting?

To add integers having the same sign, keep the same sign and add the absolute value of each number. To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest. Subtract an integer by adding its opposite.

What is negative plus negative?

When you are adding a negative number to a negative number, it becomes subtraction, where you start from a negative point on the numbers line and move left. For example, -3 + (-2). This reads “negative three plus negative 2”. … Then we subtract 2. The answer is -5.

What is the rule for adding and subtracting negative numbers?

When adding positive numbers, count to the right. When adding negative numbers, count to the left. When subtracting positive numbers, count to the left. When subtracting negative numbers, count to the right.

What happens when you subtract a negative from a positive?

Rule 4: Subtracting a negative number from a positive number—when you see the subtraction (minus) sign followed by a negative sign, turn the two signs into a plus sign. Thus, instead of subtracting a negative, you’re adding a positive, so you have a simple addition problem.

Do you add two negative numbers?

Adding two negative numbers together? Just add the absolute value of each number together, put a negative sign in front, and you have your answer!