August 2018 1 20 Report
Rozwiąż układ równań:
a).
1,5-(x-y)=0,5(y-x)+2
2y-4=4x

b).
-2x+3y=8
26x-39y=104

c).
3x-y/2 - x+y/4=4
x-y/2 + x+5y/5=5

d).
7x-3y=-5(x+y)/2 - 5y-25x/3
3√2x + 3√2y=0

i graficznie:
2x-y=3
x+2y=4

dam naj :)

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