Rozwiąż układ dowolną metodą:
{x+1/y+1 = 3/2
{ 3x-y/2 =1 /*2
{3(y+1) = 2(x+1)
{ 3x-y=2
{ 3y +3 = 2x +2
{ y=3x-2
{3(3x-2) -2x=-1
{y=3x-2
{ 9x -6 -2x=-1
{7x=5 /:7
{x=5/7
{y=3*5/7 -2= 15/7-2=2 1/7 -2 =1/7
odp:
{y=1/7
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{x+1/y+1 = 3/2
{ 3x-y/2 =1 /*2
{3(y+1) = 2(x+1)
{ 3x-y=2
{ 3y +3 = 2x +2
{ y=3x-2
{3(3x-2) -2x=-1
{y=3x-2
{ 9x -6 -2x=-1
{y=3x-2
{7x=5 /:7
{ y=3x-2
{x=5/7
{y=3*5/7 -2= 15/7-2=2 1/7 -2 =1/7
odp:
{x=5/7
{y=1/7