Question

Помогите плиз!!!!!!
3n – 7(n – 2) + 3(4 – 2n) = 26 – 10n

Answer 1

3n – 7(n – 2) + 3(4 – 2n) = 26 – 10n

3n-7n+14+12-6=26-10n

-10n+26=26 -10n