2: 7x+3 = 3x+11, 3x + 5 = 11, -4x = -8, x - 9 = -7, 3: 4x+1 = 3x+4, 9x = 6x+9, x - 5 = -2, 4: x^2 = 16, (x-1)^2=9, 5: 3x+6 = x+16, x^2 - 12 = 13, -4x = -20, 7x - 10 = 25, 6: 7x + 3 = 45, 2x = x + 6, 7: x^2 = 49, x + 14 = 3x, 3x+1 = 2x+8, 8: 48 = 6x, -3x = -24, 3x-4=x+12, 9: x ^ 2 + 7 = 88, 3x - 7 = 20, (x+1)^2=100,

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