1) 64 + 95 / X - 27 = 4264 + 95 / X = 6995 / X = 5X = 95 / 5X = 19
2) (81 / a + 19) * 4 = 18481 / a + 19 = 4681 / a = 27a = 81 / 27a = 3
1) 64 + 95 / X - 27 = 42
64 + 95 / X = 69
95 / X = 5
X = 95 / 5
X = 19
2) (81 / a + 19) * 4 = 184
81 / a + 19 = 46
81 / a = 27
a = 81 / 27
a = 3