Пошаговое объяснение:
12x-у = 17
12x = 17+y
x = (17+y):12
y = 12x-17
11x+2y+22 = 0
11x = -22-2y
x = (-22-2y):11
2y = -22-11x
y = (-22-11x):2
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Пошаговое объяснение:
12x-у = 17
12x = 17+y
x = (17+y):12
y = 12x-17
11x+2y+22 = 0
11x = -22-2y
x = (-22-2y):11
2y = -22-11x
y = (-22-11x):2