5y - 3x = -1-3x = -1 - 5y | : (-1)3x = 1+ 5y | : 3x = 1/3 + 5/3 y дальше подставляй х и у))
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5y - 3x = -1
-3x = -1 - 5y | : (-1)
3x = 1+ 5y | : 3
x = 1/3 + 5/3 y
дальше подставляй х и у))