1 2 3 6 4 7 5 8 Solving Equations Challenge Answers a) x = 5, b) z = 9, c) d = 7, d) e = -3 e) a = 3, f) x = 2.5, g) d = 9, h) x = -5 Solving Equations Challenge Answers Mark your answers and add up your points. There are 210 points in total. 2 a) a = 4, b) m = 4, c) m = 1 d) m = 4, e) n = 2, f) y = 3 g) a = 0.25, h) p = 1.5, i) x = 1 3 a) x = 6, b) y = 16, c) p = 63, d) y = 41 e) a = -15, f) b = 15, g) n = 3, h) m = 7 i) t = 5, j) s = 3, k) x = 12, l) x = 7.2 a) x = 27cm b) x = 210 c) 16 years old d) -2 e) 12 6 a) n = 4.5, b) m = 2, c) y = 0.5 d) p = 2/3, e) y = 2.5, f) b = -4 g) z = 2, h) b = 3, i) x = -1 4 7 a) x = 55°, b) y = 30° c) b = 30°, d) a = 48° 5 a) c = 4, b) a = -7, c) x = -4 d) y = -1/3, e) x = -6, f) x = -300/23 (-13.04...) 8 a) (i) x = 2, (ii) x = 12cm b) x = 5.25cm