Ответ:
1){3x-5y=14
{2x-7y = 2
{х=14/3*5/3у
{2х-7у=2
2(14/3+5/3у)-7у=2
у=2
х=14/3+5/3*2
х=8
(х,у)=(8,2)
{3*8-5*2=14
{2*8-7*2= 2
{14=14
{2=2
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Ответ:
1){3x-5y=14
{2x-7y = 2
{х=14/3*5/3у
{2х-7у=2
2(14/3+5/3у)-7у=2
у=2
х=14/3+5/3*2
х=8
(х,у)=(8,2)
{3*8-5*2=14
{2*8-7*2= 2
{14=14
{2=2
(х,у)=(8,2)