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Mathematics
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martai:
What is the sum of -5x - 3 and -2x + 9? -10x + 9 -x -7x + 6 3x - 12
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MusicGeek:
Combine like terms. -5x and -2x are like terms and so when you add them you get -7x. Then you have to combine -3 and 9. When you add them you get 6. So your answer is -7x+6.
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