March 2019 0 18 Report
Metoda podstawiania, proszę o sprawdzenie.

e) 2x+y=14
x+y=5

f) 2x - 3y =0,7
x+4y=5,3

g) x+2y=0,5
5x+ 3y= 0,75

h) 4x-y= 0,2
0,2+y=4

i) 0,4-0,3y= -2
2,1x+3,2y =85

BŁAGAM :)

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