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Anonymous
5x + 3 - 4 + 4x = 9x -1
Alvera Stehr ∙
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2x - 5 - 4x + 8= 2x - 4x - 5 + 8= -2x + 3
X= -8
3x-5
2x + 3 + 3x = x + 11 5x + 3 = x + 11 4x + 3 = 11 4x = 8 x = (8/4) x = 2
(2x - 8)(-4x + 4) = -8x2 + 40x - 32