Whakaoti i te 4x-5y+20=0

$$4 x - 5 y + 20 = 0$$

Whakaoti mō x

$$x=\frac{5\left(y-4\right)}{4}$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Me tāpiri te 5y ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.

$$4x+20=5y$$

Tangohia te 20 mai i ngā taha e rua.

$$4x=5y-20$$

Whakawehea ngā taha e rua ki te 4.

$$\frac{4x}{4}=\frac{5y-20}{4}$$

Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.

$$x=\frac{5y-20}{4}$$

Whakawehe -20+5y ki te 4.

$$x=\frac{5y}{4}-5$$

Whakaoti mō y

$$y=\frac{4\left(x+5\right)}{5}$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Tangohia te 4x mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.

$$-5y+20=-4x$$

Tangohia te 20 mai i ngā taha e rua.

$$-5y=-4x-20$$

Whakawehea ngā taha e rua ki te -5.

$$\frac{-5y}{-5}=\frac{-4x-20}{-5}$$

Mā te whakawehe ki te -5 ka wetekia te whakareanga ki te -5.

$$y=\frac{-4x-20}{-5}$$

Whakawehe -4x-20 ki te -5.

$$y=\frac{4x}{5}+4$$