x=krzeslo
x+439=stol
4(x+439)+8x=3244
4x+1756+8x=3244
12x=3244-1756
12x=1488
x=1488:12
x=124zł cena 1 krzesla to 4 krzesel:496zł
cena stolu :124+439=563zl
odp:stol kosztowal 563zł a 4 krzesla 496zl
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x=krzeslo
x+439=stol
4(x+439)+8x=3244
4x+1756+8x=3244
12x=3244-1756
12x=1488
x=1488:12
x=124zł cena 1 krzesla to 4 krzesel:496zł
cena stolu :124+439=563zl
odp:stol kosztowal 563zł a 4 krzesla 496zl