Enrhifo
x_{22} = -\frac{239}{14} = -17\frac{1}{14} = -17.071428571428573
Ffactor
\frac{14x_{22}-239}{14}
Rhannu
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x_{22}+\frac{13}{14}-\frac{252}{14}
Troswch y rhif degol 18 i’r ffracsiwn \frac{252}{14}.
x_{22}+\frac{13-252}{14}
Gan fod gan \frac{13}{14} a \frac{252}{14} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
x_{22}-\frac{239}{14}
Tynnu 252 o 13 i gael -239.
\frac{14x_{22}-239}{14}
Ffactora allan \frac{1}{14}.
14x_{22}-239
Ystyriwch 14x_{22}+13-252. Lluosi a chyfuno termau sydd yr un fath.
\frac{14x_{22}-239}{14}
Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.
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