Question

Помогите (13х - 14 ) - (15 + 6х)= - 3х - 3

Answer 1

Ответ: Милости прошу.

Answer 2

$(13x - 14) - (15 + 6x) = - 3x - 3 \\ 13x - 14 - 15 - 6x = - 3x - 3 \\ 13x - 6x + 3x = - 3 + 14 + 15 \\ 10x = 26 \\ x = 2.6$