{2у-6х=5
{-у+3х=8|2
{-2у+6х=16
0≠21
Вiдповiдь: немае рiшень.
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{2у-6х=5
{-у+3х=8|2
{2у-6х=5
{-2у+6х=16
0≠21
Вiдповiдь: немае рiшень.