Rozwiąrz układ równań sposobem przeciwnych współczynników:
1/6x+1/4y=1/2
-1/6x+1/15y=1/3
15/60y+4/60y=30/60+20/60
19/60y=50/60
y=50/60*60/19
y=50/19
1/3x+50/38=1
1/3x=-12/38
x=-36/38
1/3x + 1/2y = 1 I*6
-1/2x+1/5y = 1 I*10
2x+3y = 6 I*(-2)
-5x+2y = 10 I*3
-4x-6y = -12
-15x+6y = 20
---------------- +
-19x = 18 /:(-19)
x = -18/19
========
2y = 10+5x
y = 1/2 *[10+5*(-18/19)] = 1/2(10-90/19) = 1/2 * (190/19 - 90/19) = 1/2 * 100/19
y = 100/38
=========
{x = -18/19}
{y = 100/38}
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1/6x+1/4y=1/2
-1/6x+1/15y=1/3
15/60y+4/60y=30/60+20/60
19/60y=50/60
y=50/60*60/19
y=50/19
1/3x+50/38=1
1/3x=-12/38
x=-36/38
1/3x + 1/2y = 1 I*6
-1/2x+1/5y = 1 I*10
2x+3y = 6 I*(-2)
-5x+2y = 10 I*3
-4x-6y = -12
-15x+6y = 20
---------------- +
-19x = 18 /:(-19)
x = -18/19
========
2y = 10+5x
y = 1/2 *[10+5*(-18/19)] = 1/2(10-90/19) = 1/2 * (190/19 - 90/19) = 1/2 * 100/19
y = 100/38
=========
{x = -18/19}
{y = 100/38}