Ответ:
Пошаговое объяснение:
a) 3x = 9
x = 3
-y = 4-x = 1 -> y = -1
b) 4y = -8
y = -2
x = (-2+2)/5 = 0
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Ответ:
Пошаговое объяснение:
a) 3x = 9
x = 3
-y = 4-x = 1 -> y = -1
b) 4y = -8
y = -2
x = (-2+2)/5 = 0