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Assuming that's -4x - 5x + 9, the answer would be x =1
As -4x - 5x + 9 = 0
Making it 9 = 5x + 4x, or 9 = 9x, cancel out the 9's, making x = 1.

If it's -4x - 5 x 9, the answer would x = 11.25
As -4x - 5 x 9 = 0
Making it 45 = 4x, divide the 45/4, which would give you 11.25.

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Q: How do you solve -4x - 5x 9?
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