Whakaoti i te 21413.57=x-x*10/100

$$21413.57 = x - x \cdot \frac { 10 } { 100 }$$

Whakaoti mō x

$$x = \frac{2141357}{90} = 23792\frac{77}{90} \approx 23792.855555556$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Whakahekea te hautanga \frac{10}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 10.

$$21413.57=x-x\times \frac{1}{10}$$

Pahekotia te x me -x\times \frac{1}{10}, ka \frac{9}{10}x.

$$21413.57=\frac{9}{10}x$$

Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.

$$\frac{9}{10}x=21413.57$$

Me whakarea ngā taha e rua ki te \frac{10}{9}, te tau utu o \frac{9}{10}.

$$x=21413.57\times \frac{10}{9}$$

Me tahuri ki tau ā-ira 21413.57 ki te hautau \frac{2141357}{100}.

$$x=\frac{2141357}{100}\times \frac{10}{9}$$

Me whakarea te \frac{2141357}{100} ki te \frac{10}{9} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$x=\frac{2141357\times 10}{100\times 9}$$

Mahia ngā whakarea i roto i te hautanga \frac{2141357\times 10}{100\times 9}.

$$x=\frac{21413570}{900}$$

Whakahekea te hautanga \frac{21413570}{900} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 10.

$$x=\frac{2141357}{90}$$