Whakaoti i te 57456(x*20-1544)=123

$$57456(x \times 20-1544)=123$$

Whakaoti mō x

$$x = \frac{29570729}{383040} = 77\frac{76649}{383040} \approx 77.200107038$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Whakawehea ngā taha e rua ki te 57456.

$$x\times 20-1544=\frac{123}{57456}$$

Whakahekea te hautanga \frac{123}{57456} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 3.

$$x\times 20-1544=\frac{41}{19152}$$

Me tāpiri te 1544 ki ngā taha e rua.

$$x\times 20=\frac{41}{19152}+1544$$

Me tahuri te 1544 ki te hautau \frac{29570688}{19152}.

$$x\times 20=\frac{41}{19152}+\frac{29570688}{19152}$$

Tā te mea he rite te tauraro o \frac{41}{19152} me \frac{29570688}{19152}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$x\times 20=\frac{41+29570688}{19152}$$

Tāpirihia te 41 ki te 29570688, ka 29570729.

$$x\times 20=\frac{29570729}{19152}$$

Whakawehea ngā taha e rua ki te 20.

$$x=\frac{\frac{29570729}{19152}}{20}$$

Tuhia te \frac{\frac{29570729}{19152}}{20} hei hautanga kotahi.

$$x=\frac{29570729}{19152\times 20}$$

Whakareatia te 19152 ki te 20, ka 383040.

$$x=\frac{29570729}{383040}$$