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5x + x - 9x .

In this case all terms are alike and so can be combined.

5x + x = 6x

Then 6x - 9x = -3x The answer.

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lenpollock

Lvl 16
2y ago
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5x + (x-9x) = 5x + (-8x) = -3x.

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Wiki User

15y ago
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Q: Combine like terms 5x plus x-9x?
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