3 ^ ( 5X + Y) = 9
3 ^ ( 5X + Y) = 3 ^ 2
5X + Y = 2
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2 ^ ( 2X - Y ) = 32
2 ^ ( 2X - Y) = 2 ^ 5
2X - Y = 5
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Y = 2 - 5X
Y = 2X - 5
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2 - 5X = 2X - 5
7X = 7
X = 1
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Y = 2 * 1 - 5 = 2 - 5 = - 3
Ответ X = 1 ; Y = - 3