Section 1: 1) 3x 2) x + 3 3) 2x + 3 4) 1/2x OR x/2 5) x + 35 = 82, x = 47 6) 5x = 185, x = 37 7) x - 5 = 17, x = 22 8) 2x + 4 = 26, x = 11 9) x + 13 = 27, x = 14 10) 4x - 47 = 293, x = 85   Section 2: 1) x = -6 2) x = 15 3) x = 3/4, or 0.75 4) x = -2 5) x = -4   Section 3 1) 20 + 0.50x = 10 + 0.75x, x = 40 2) 5 + 0.05x = 3 + 0.25x, x = 10 3) 53 + 5x = 27 + 8x, x = 26/3, or 8.67