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Mathematics 27 Online
martai:

What is the sum of -3x + 6 and 7x - 8? -4x + 2 -10x - 14 4x - 2 4x² - 2

MusicGeek:

You have to look to see if there is any like terms. Like -3x and 7x. They are like terms. So you would add -3x and 7x and you get 4x. Then you combine the like terms 6 and -8. When you combine them you get -2. So your answer is 4x-2.

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