Question

помогите ришить уравнение 12х-х-55=0

Answer 1

$12x - x - 55 = 0 \ 11x = 55 \ x = 55 div 11 \ x = 5 \ proverka \ 12 times 5 - 5 - 55 = 0 \ 60 - 5 - 55 = 0 \ 55 - 55 = 0 \ 0 = 0$