Rozwiąż układ równań!!!
x+y=440
0,9x+0,95y=446-34
x=440-y0,9(440-y)+0,95y=412396-0,9y+0,95y=4120,05y= 16
y=320x=120
x= 440-y
0.9*(440-y) + 0.95y= 412
396-0.9y + 0.95 y = 412
0.05y = 16
y= 320
x+ 320 =412
x= 92
daj naj :)
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x=440-y
0,9(440-y)+0,95y=412
396-0,9y+0,95y=412
0,05y= 16
y=320
x=120
x= 440-y
0.9*(440-y) + 0.95y= 412
396-0.9y + 0.95 y = 412
0.05y = 16
y= 320
x+ 320 =412
x= 92
daj naj :)