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Mar 15, 2023 · This short step-by-step guide to combining like terms will teach you a simple and easy method for how to combine like terms. The guide includes combining like terms examples, a combining like terms definition, and, for more practice, a free combining like terms worksheet pdf with full answer key.
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Welcome to An Intro to Combining Like Terms with Mr. J! Need help with simplifying expressions by combining like terms? You're in the right place!Whether you...
- 10 min
- 237.4K
- Math with Mr. J
A common technique for simplifying algebraic expressions. When combining like terms, such as 2x and 3x, we add their coefficients. For example, 2x + 3x = (2+3)x = 5x. What is combining like terms? We call terms "like terms" if they have the same variable part. For example, 4 x and 3 x are like terms, but 4 x and 3 w are not like terms.
- Suppose the temperature is a freezing -6 degrees. It gets even colder than that by 16 degrees. (subtracting) Now it's an even more freezing -22 deg...
- That would be 6t+4 because 9t-3t=6t and 4 is just left alone so it equals 6t+4. (I hope this can help you) :)
- You just have to know how to add, subtract, multiply and divide fractions and the simplifying algebraic expressions with fractions in them will bec...
- You need to understand how to add / subtract signed numbers. It sounds like you are still confused with that concept. I would recommend you redo th...
- You have 2 like terms and your terms are fractions. Convert them to have a common denominator, then add the numerators. There is a video with a sim...
- Then you follow the rules for adding/subtraction fractions: -- Find an LCD -- Convert the fractions to the LCD -- Add/subtract the numerators. Hope...
- Neither is correct. I confirmed this by substituting each value in the equation to see if the 2 sides are equal. In both cases, the 2 sides are une...
- If you have -2 - (-4) the subtraction sign and the negative sign for the second number cancel out so it becomes -2 + 4. If you have -2 - 4 you simp...
The first thing I usually do is rearrange the numbers so that all the like terms or numbers that can be added together, are next to each other, like this: -n + 3n + (-3) +5. Then you can rearrange it some more to make it clear how to combine the like terms. 3n-n + 5-3. 2n + 2.
- 5 min
- Sal Khan
- Yes, and you can also do this with other variables, as long as the variables are the same. (numerical value is just what you add or subtract)
- That's precisely right. Most people take a more laid-back approach and think that two things plus three things has got to equal five things, but yo...
- Zero is neither. Zero, I've been taught is just zero. Zero is special. So, to answer your question, zero is neither.
- Definitely, he is hilarious.
- You can't find the value for anything by dividing it by itself. x^2 divided by x^2 equals 1. So, it still is x=?. And yes, it's hilarious that he c...
- When you're combining like terms, you're not actually solving for anything (It's not an equation if you don't have the equal sign) Combining like t...
- the best way to understand math better is by using them regularly and developing understanding of numerical relations.
- @EDiaz1786 Exactly right! You're pretty much simplifying the answer. A quick tip: If you see two numbers with the same variable and it tells you to...
- If you are only combining like terms, stick to adding or subtracting. This depends on the coefficients, but we still use the laws of adding and sub...
How to combine like terms. In order to simplify algebraic expressions by combining like terms: Identify the like terms. Group the like terms. Combine the like terms by adding or subtracting.
In this lesson, we learned how to add and subtract variables, like apples (a) or x's. We discovered that when we combine or take away the same variable, we can simply count them up or down. For example, 5x minus 2x equals 3x. This helps us understand basic algebra concepts. Created by Sal Khan.
- 3 min
- Sal Khan
First, distribute the constant terms, [latex]3[/latex] and [latex]- 5[/latex] into the terms inside the parenthesis. Next, combine similar terms together then add or subtract as required.
