Алгоритм решения системы двух уравнений с двумя переменными методом
подстановки:
1.Решить систему уравнений подстановки:
a){y = 3x
{4x+5y=38
б) {x-5y=7
{2x-5y=9
в) {2x-y=4
{3x+7y=9
г) {2x+3y=16
{3x-2y=11
д) {6(x+y)=5-(2x=y)
{3x-2y+-3y-3

237

272

Посмотреть ответы 1

Ответы на вопрос:

forgalaxynexusp09txz

Математика

4,4(39 оценок)

emma said to freddy:

-what time it was, because her watch had stopped.

-if he slept in the afternoons.

- not to buy those apples.

- if he had been there before.

-stan could play the piano very well.

- if he had bought that car the previous year.

- if he had finished his work 2 hours before.

-to read that letter to her.

-where he would go the next day.

150 000+ пользователей

Оформить подписку