Whakaoti i te x=-130+x+y-(170-y)

$$x=-130+x+y-(170-y)$$

Whakaoti mō y

$$y=150$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Hei kimi i te tauaro o 170-y, kimihia te tauaro o ia taurangi.

$$x=-130+x+y-170+y$$

Tangohia te 170 i te -130, ka -300.

$$x=-300+x+y+y$$

Pahekotia te y me y, ka 2y.

$$x=-300+x+2y$$

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

$$-300+x+2y=x$$

Me tāpiri te 300 ki ngā taha e rua.

$$x+2y=x+300$$

Tangohia te x mai i ngā taha e rua.

$$2y=x+300-x$$

Pahekotia te x me -x, ka 0.

$$2y=300$$

Whakawehea ngā taha e rua ki te 2.

$$y=\frac{300}{2}$$

Whakawehea te 300 ki te 2, kia riro ko 150.

$$y=150$$

Whakaoti mō x (complex solution)

$$x\in \mathrm{C}$$

$$y=150$$

Whakaoti mō x

$$x\in \mathrm{R}$$

$$y=150$$