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When they have the same variable.

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Q: How do you know when you can combine terms in an expression?
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Related questions

To simplify the expression 8t plus 10t you?

You combine like terms.


Combine the like terms to create an equivalent expression?

456


Do combiming like terms mean the same as combine the expression?

no, combining like terms means combine the terms that are the same 15+x+6+x=28 combine like terms 21+2x=28 2x=7 x=3.5


Combine the like terms to create an equivalent expression-k+3k?

-k + 3k = 2k


Combine the like terms to create an equivalent expression:5k+(−2k)−(−1)?

3k + 1


What is the answer when you combine like terms to simplify the expression when it is 14t plus 15-2t?

12t + 15


Does an expression have an answer?

A mathematical expression does not have an answer, if it is algebraic and all of the terms are unlike. For example, x+7y does not have an answer because there are no definite solutions, and there is no possibility to combine like terms. However, the expression 2x+7y+3x does have an answer, but the solution is merely the combination of like terms. (5x+7y)


What is the answer: -2x-x+8= Please Help?

6


How do you Simplify the expression n plus 2n plus 2?

Combine like terms to give 3n + 2


What is the answer to this equation -6 n -30?

Just to get you straight, that is actually an expression. Equations have equal signs in them. Just so you know. Anyway, it just so happens that this expression (-6n - 30) is already simplified. There are no like terms to combine there, since 30 does not have an "n".


What is an expression which combine numbers and expressions?

It is an expression.


How do you Simplify 5x 9 7x-11?

To simplify expression 5x + 9 - 7x - 11, you can combine the x terms (5x - 7x) to get -2x, and combine the constant terms (9 - 11) to get -2. Therefore, the simplified expression is -2x - 2.