0
Anonymous
5x x 4x = 20x^2
5x + x + 4x = 10x
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-1
5x+12 = 4x-88 x = -100
2x + 4x - x = 5x
5x + 14 = 95 - 4x 5x + 4x = 95 - 14 9x = 81 x = 81/9 x = 9
4x