rozwiąż układ równań
x+y=59
0,8x+y+4=56
x+y=590,8x+y+4=56
x=59-y0,8[59-y]+y+4=56
x=59-y47,2-0,8y+y+4=56
x=59-y-0,8y+y=56-4-47,2
x=59-y0,2y=4,8 /:0,2
x=59-yy=24
x=59-24y=24
x=35y=24
prosze bardzo,licze na naj
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x+y=59
0,8x+y+4=56
x=59-y
0,8[59-y]+y+4=56
x=59-y
47,2-0,8y+y+4=56
x=59-y
-0,8y+y=56-4-47,2
x=59-y
0,2y=4,8 /:0,2
x=59-y
y=24
x=59-24
y=24
x=35
y=24
prosze bardzo,licze na naj