metoda przeciwnych współczynników oblicz {4x+3y=10 {3x+4y=11
{4x+3y=10 /*3
{3x+4y=11 /*(-4)
{12x+9y=30
{-12x-16y= -44
____________
-7y= -14
y=2
{y=2
{3x+4y=11
{3x+8=11
{3x=3
{x=1
SPRAWDZENIE:
* 4x+3y=10
4*1+3*2=10
4+6=10
10=10
* 3x+4y=11
3*1+4*2=11
3+8=11
11=11
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{4x+3y=10 /*3
{3x+4y=11 /*(-4)
{12x+9y=30
{-12x-16y= -44
____________
-7y= -14
y=2
{y=2
{3x+4y=11
{y=2
{3x+8=11
{y=2
{3x=3
{y=2
{x=1
SPRAWDZENIE:
* 4x+3y=10
4*1+3*2=10
4+6=10
10=10
* 3x+4y=11
3*1+4*2=11
3+8=11
11=11