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martai:
What is the difference between -5x + 7 and 3x - 2? -8x + 5 -2x + 5 -2x + 9 -8x + 9
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MusicGeek:
Difference means subtraction. So take the like terms, -5x and 3x. And 7 and -2. So when you take -5, and subtract 3 from it, you get -8. Then when you take 3 and -2, you have to add 2 because a subtraction sign and a negative makes a positive. So 3+2=5. So the answer is -8x+5.
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