Rozwiąż równianie liniowe z dwiema niewiadomymi .
a)1/3x-1/4y=1/6
b)2x-y=3/4
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1/3x-1/4y=1/6
2x-y=3/4
y=2x-3/4
1/3x-1/4(2x-3/4)=1/6
1/3x-2/4x+3/16=1/6 /*48
16x-24x+9=8
-8x=-1
x=1/8
y=2*1/8-3/4=1/4-3/4=-1/2
x=1/8,y=-1/2