Rozwiąż układ równań dowolnym sposobem. x+y=56 x=0,75y
x+y=56
x=0,75y
0,75y+y=56
1,75y=56 // :1,75
y=32
x=0,75*32
x=24
;)
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x+y=56
x=0,75y
0,75y+y=56
x=0,75y
1,75y=56 // :1,75
x=0,75y
y=32
x=0,75*32
y=32
x=24
;)