Срочно Помогите (x+7,2)-14=2,3 -(x-1,9)-15=14,1
(x+7.2) - 14 = 2.3 x + 7.2 = 2.3+14 x = 16.3 - 7.2 x = 9.1 -(x-1.9) - 15 = 14.1 -x + 1.9 = 14.1 + 15 -x = 29.1 - 1.9 -x = 27.2 x = -27.2