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y=1-1,5x
5x+4(1-1,5x)=6
5x+4-6x=6
-x=2
x=-2
3*(-2)+2y=2
-6+2y=2
2y=8 /:2
y=4
czekam na naj :)
{ 5x + 4y = 6
-6x-4y=-4
{5x+4y=6
-x=2
x=-2
{x=-2
{3*(-2)+2y=2
{x=-2
{-6+2y=2 |+6
{x=-2
{2y=8
{x=-2
{y=4