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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\frac{7}{2\left(x+1\right)}-\frac{2}{7\left(x+1\right)}
Tauwehea te 2x+2. Tauwehea te 7x+7.
\frac{7\times 7}{14\left(x+1\right)}-\frac{2\times 2}{14\left(x+1\right)}
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o 2\left(x+1\right) me 7\left(x+1\right) ko 14\left(x+1\right). Whakareatia \frac{7}{2\left(x+1\right)} ki te \frac{7}{7}. Whakareatia \frac{2}{7\left(x+1\right)} ki te \frac{2}{2}.
\frac{7\times 7-2\times 2}{14\left(x+1\right)}
Tā te mea he rite te tauraro o \frac{7\times 7}{14\left(x+1\right)} me \frac{2\times 2}{14\left(x+1\right)}, me tango rāua mā te tango i ō raua taurunga.
\frac{49-4}{14\left(x+1\right)}
Mahia ngā whakarea i roto o 7\times 7-2\times 2.
\frac{45}{14\left(x+1\right)}
Mahia ngā tātaitai i roto o 49-4.
\frac{45}{14x+14}
Whakarohaina te 14\left(x+1\right).