Whakaoti i te 3*15/13-2n=3

$$3 \times \frac { 15 } { 13 } - 2 n = 3$$

Whakaoti mō n

$$n=\frac{3}{13}\approx 0.230769231$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Tuhia te 3\times \frac{15}{13} hei hautanga kotahi.

$$\frac{3\times 15}{13}-2n=3$$

Whakareatia te 3 ki te 15, ka 45.

$$\frac{45}{13}-2n=3$$

Tangohia te \frac{45}{13} mai i ngā taha e rua.

$$-2n=3-\frac{45}{13}$$

Me tahuri te 3 ki te hautau \frac{39}{13}.

$$-2n=\frac{39}{13}-\frac{45}{13}$$

Tā te mea he rite te tauraro o \frac{39}{13} me \frac{45}{13}, me tango rāua mā te tango i ō raua taurunga.

$$-2n=\frac{39-45}{13}$$

Tangohia te 45 i te 39, ka -6.

$$-2n=-\frac{6}{13}$$

Whakawehea ngā taha e rua ki te -2.

$$n=\frac{-\frac{6}{13}}{-2}$$

Tuhia te \frac{-\frac{6}{13}}{-2} hei hautanga kotahi.

$$n=\frac{-6}{13\left(-2\right)}$$

Whakareatia te 13 ki te -2, ka -26.

$$n=\frac{-6}{-26}$$

Whakahekea te hautanga \frac{-6}{-26} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -2.

$$n=\frac{3}{13}$$