Метод Крамера
x/10-y/5=0 1/10 -1/5
5x/3+y/6=7 5/3 1/6 D=1/10*1/6+1/5*5/3=1/60+1-1/53=7/20
0 -1/5
7 1/6 D1=7/5 x=D1/D=4
1/10 0
5/3 7 D2=7/10 y=D2/D=7/10 / 7/20= 2
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1/4 1/8 2
2/9 1/6 1 D=1/72 D1=10/48 D2=-7/36 x=15 y=-14
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6/7 5/21 5
9/4 -1/12 11 D=−153/252 D1=-3 11/38 D2=1 69/84 x=5 y=3
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D=21/210 D1=4/20 D2=63/105 x=2 y=6