Помогите решить : 4x - 15(2+3x) = 7 - 24x
4x - 15(2+3x) = 7 - 24x4x - 30 - 45x = 7 - 24x -41x +24x = 7 +30 -17x = 37 x = - 37:17 = - 2 3/17