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x+⅙y-⅙=0 |*6
25x+2y-28=0
6x+y-1=0
25x=28-2y
y=1-6x
25x=28-2(1-6x)
y=1-6x
25x=28-2+12x
y=1-6x
25x-12x=26
y=1-6x
13x=26 |:13
y=1-6x
x=2
y=1-6*2
x=2
y=1-12
x=2
y=-11
x+⅙y-⅙=0
2,5x+0,2y=2,8
x=-⅙y+⅙
2,5(-⅙y+⅙)+0,2y=2,8
-⁵/₁₂y+⁵/₁₂+0,2y=2,8
-¹³/₆₀y=2²³/₆₀
y=-11
x=-⅙*(-11)+⅙
x=¹¹/₆+⅙
x=2
spr:
2,5x+0,2y-2,8=0
2,5*2+0,2*(-11)-2,8=0
5-2,2-2,8=0
0=0