Rozwiąż układ równań {2x+3=1
{5x+6y=2 metoda przeciwnych współczynników
{x+y=10
{x-y=4
{2x+3y=4
{4x+y=3
{2x+3y=1 /*-2
{5x+6y=2
{-4x+-6y=-2
+{5x+6y=2
____________
x=0
5*0+6y=2
6y=2
y= 1/3
+{x-y=4
___________
2x=14
x=7
7+y=10
y=3
{2x+3y=4 /*(-2)
{-4x-3y=-8
+{4x+y=3
-2y=-5 /:-2
y=2.5
4x+2.5=3
4x=0.5 /:4
x= 0.125
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{2x+3y=1 /*-2
{5x+6y=2
{-4x+-6y=-2
+{5x+6y=2
____________
x=0
5*0+6y=2
6y=2
y= 1/3
{x+y=10
+{x-y=4
___________
2x=14
x=7
7+y=10
y=3
{2x+3y=4 /*(-2)
{4x+y=3
{-4x-3y=-8
+{4x+y=3
____________
-2y=-5 /:-2
y=2.5
4x+2.5=3
4x=0.5 /:4
x= 0.125