Предмет: Алгебра, автор: shilnovvova

Укажи пару чисел, являющуюся решением уравнения 5x−y=15 .
Ответ:
(1;5)
(5;0)
(0;−15)
(0;15)
(−1;15)

shilnovvova: СРОООООООООЧНО

Ответы

Автор ответа: Аноним
0

Ответ:

верный вариант  3) (0. -15)

Объяснение:

просто подставляем каждое

1)5*1-5=15

0=15 - не походит

2)5*5- 0= 15

25=15 - не подходит

3)5*0 -(-15)=15

15=15 - верный вариант

4)5*0 -(+15)=15

-15=15 - не подходит

5)5*(-1)- 15=15

-5-15=15

-20=15 - не подходит

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