x+y=3 4x-4y=4 prosze o rozwiazanie tego ukladu rownan :d
x+y=3 / *4
4x-4y=4
4x+4y=12
________ +
8x=16 / :8
x=2
2+y=3 / -2
y=1
Liczę na najj ; **
{x+y=3
{4x-4y=4 /:4
{x-y=1
---------------------- dodajemy rownania stronami
2x=4 /:2
x+y=3
2+y=3
{x=2
{y=1
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x+y=3 / *4
4x-4y=4
4x+4y=12
4x-4y=4
________ +
8x=16 / :8
x=2
2+y=3 / -2
y=1
x=2
y=1
Liczę na najj ; **
{x+y=3
{4x-4y=4 /:4
{x+y=3
{x-y=1
---------------------- dodajemy rownania stronami
2x=4 /:2
x=2
x+y=3
2+y=3
y=1
{x=2
{y=1