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Территория этого края не имеет выхода ни к морю, ни к Государственной границе России. Восточную часть его территории занимают

valnov24200105oxnmv8 valnov24200105oxnmv8    3   17.04.2019 07:30    11

Ответы
Jikarinkite Jikarinkite  07.06.2020 13:46
X/3 = - y/4
x + y = 5

4x = -3y
y = 5 - x

4x =  - 3*(5 - x)
4x - 3x = - 15
x = - 15
y = 5 - (- 15) = 20
ответ: (- 15;20)
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