Ответ:
9^2x-2^3y-3^5=0 81x-8y=27
-19x-8y+57=0 -19x-8y=-57 |*(-1)
81x-8y=27
19x+8y=57 100x=84
x=0,84
68,04-8y=27
y=5,13
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Ответ:
9^2x-2^3y-3^5=0 81x-8y=27
-19x-8y+57=0 -19x-8y=-57 |*(-1)
81x-8y=27
19x+8y=57 100x=84
x=0,84
68,04-8y=27
x=0,84
y=5,13