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It means that the term for which 3 is the coefficient is meant to be subtracted.

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Q: What do the negative sign in front of the number 3s means in algebraic expression?
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Related questions

What is the coefficient in this algebraic expression for 5a plus 2?

The coefficient is the number in front of the variable a, or 5.


Where is a coefficient found?

In front of a variable in an algebraic expression.


Why does the expression -a does not always represent a negative number?

* If "a" is positive, "-a" is negative.* If "a" is negative, "-a" is positive. * If "a" is zero, "-a" is zero. If you want to force a negative number, you can write -|a|, i.e., the negative of the absolute value.


Define numerical expression?

it means a bunch of terms put togather without an equal sign a term is a number that may or may not have a variable it can also have either a positive or negetive sign in front of it


When you have a negative and positive in math does it become a negative?

It depends on what you do with the negative and positive. If you multiply or divide a positive number and a negative number, then the answer is negative. If you add or subtract a positive number and a negative number, the answer could be negative or positive depending on the numbers involved. If you put a negative sign in front of a positive number, the result is a negative number. If you put a positive sign in front of a negative number (like +(-7)), the result is still negative.


What is the number in front of a variable in a multiplication expression called?

The coefficient


Is 5 a negative number?

Five is not a negative number. It is odd, but if you put a - in front of it, it IS negative.(Negative numbers are always preceded by a negative sign, like -5.)


Where is negative 2.1 on a number line in front of or behind negative 3?

to the right of it


What is a negative irrational number?

A negative irrational number can be thought of as an irrational number multiplied by -1, or an irrational number with a minus sign in front of it.


If you have a fraction with a negative sign in front of the fraction how do you make it a decimal?

Exact same if there was no negative sign, the number is the number.


How can you tell which is positive and which is negative by numbers?

the number that has the minus sign in front of it is negative and the normal number is positive example: negative: -9 positive: 9


What does - in front of a number mean?

It is negative, such as -2, which is negative two, or subtract, such as 7-4=3.