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Kimi Pārōnaki e ai ki x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\frac{x}{y-1}+\frac{2\left(-1\right)}{y-1}
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o y-1 me 1-y ko y-1. Whakareatia \frac{2}{1-y} ki te \frac{-1}{-1}.
\frac{x+2\left(-1\right)}{y-1}
Tā te mea he rite te tauraro o \frac{x}{y-1} me \frac{2\left(-1\right)}{y-1}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{x-2}{y-1}
Mahia ngā whakarea i roto o x+2\left(-1\right).