Question

2y=5x x+y=14 sdfghjkokuytfrdeftyuiouytrdshgfcgjsnhgmhmtyjengasntgr

Answer 1

Ответ:

(4;10)

Пошаговое объяснение:

2y=5x

x+y=14

2y-5x=0

x+y=14        *-2

2y-5x=0

-2x-2y=-28

2y-5x-2x-2y= -28

-7x=-28

x=4

x+y=14

4+y=14

y=10

Answer 2

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