Equations: 4x - 5 = 7, x = 3, -3 = -3, 3x - 3 = 9x - 4, 3(x - 2) + 7 = 32, -4x = 16, Expressions: -6x + 3, -2x, -x + 1, 4x - 9 + 5x - 10, -2(x + 4) - 5x + 8, 7,

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