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x+(x+2)+(x+4)=-162
3x+6=-162
3x=-168
x=-56
x+2=-54
x+4=-52
te liczby to -52, -54, -56
b)
x+(x+2)+(x+4)=-147
3x+6=-147
3x=-153
x=-51
x+2=-49
x+4=-47
te liczby to -47, -49, -51