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miv72 [106K]
3 years ago
8

When combining like terms how do you know to add or subtract?

Mathematics
2 answers:
Vesna [10]3 years ago
6 0

Answer:

It’s depends on the sign.

Step-by-step explanation:

For example if your question is 3x+16y-8-7x+8y then the answer would be -4x+24y-8 if they have the same variable look at them as a separate equation.

polet [3.4K]3 years ago
3 0

Answer:

"Like Terms" means that you can add or subtract two terms. For instance, you know that you can add and get 5. You were able to add these two 'terms' ( the '2' and the '3') because they are both numbers! However, you might also know that you cannot 'combine' 2 and x. Since 2 is a number and 'x' is not, they are not like terms.

Basically if its two numbers that are the same, For example (-2x and -4x) and have with the same variables you would add them. If they are like this (5x and -2x) you would subtract them because its a negative and positive number and get ( 3x).

Hope i helped!!!!

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Read 2 more answers
What is the product of 2p+q and -3q-6p+1
Arlecino [84]

Hey there,

The question is to find the product of the two factors (2p + q)(-3q - 6p + 1).

Now we just multiply across:

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Now we combine like terms:

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So the result would be -12p² - 3q² + 2p + q.

Hope I helped,

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3 years ago
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3 years ago
Find the solution for the system of equations y=4x+12<br> Y=6x+8
madam [21]
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(2,20)
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