Whakaoti i te W=0.8m+100-0.8n/0.8*1.2

$$W = 0.8 m + \frac { 100 - 0.8 n } { 0.8 } \times 1.2$$

Whakaoti mō W

$$W=\frac{4m}{5}-\frac{6n}{5}+150$$

Ngā Upane Otinga

Whakawehea ia wā o 100-0.8n ki te 0.8, kia riro ko \frac{100}{0.8}+\frac{-0.8n}{0.8}.

$$W=0.8m+\left(\frac{100}{0.8}+\frac{-0.8n}{0.8}\right)\times 1.2$$

Whakarohaina te \frac{100}{0.8} mā te whakarea i te taurunga me te tauraro ki te 10.

$$W=0.8m+\left(\frac{1000}{8}+\frac{-0.8n}{0.8}\right)\times 1.2$$

Whakawehea te 1000 ki te 8, kia riro ko 125.

$$W=0.8m+\left(125+\frac{-0.8n}{0.8}\right)\times 1.2$$

Me whakakore te 0.8 me te 0.8.

$$W=0.8m+\left(125-n\right)\times 1.2$$

Whakamahia te āhuatanga tohatoha hei whakarea te 125-n ki te 1.2.

$$W=0.8m+150-1.2n$$

Whakaoti mō m

$$m=\frac{3n}{2}+\frac{5W}{4}-187.5$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Whakawehea ia wā o 100-0.8n ki te 0.8, kia riro ko \frac{100}{0.8}+\frac{-0.8n}{0.8}.

$$W=0.8m+\left(\frac{100}{0.8}+\frac{-0.8n}{0.8}\right)\times 1.2$$

Whakarohaina te \frac{100}{0.8} mā te whakarea i te taurunga me te tauraro ki te 10.

$$W=0.8m+\left(\frac{1000}{8}+\frac{-0.8n}{0.8}\right)\times 1.2$$

Whakawehea te 1000 ki te 8, kia riro ko 125.

$$W=0.8m+\left(125+\frac{-0.8n}{0.8}\right)\times 1.2$$

Me whakakore te 0.8 me te 0.8.

$$W=0.8m+\left(125-n\right)\times 1.2$$

Whakamahia te āhuatanga tohatoha hei whakarea te 125-n ki te 1.2.

$$W=0.8m+150-1.2n$$

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

$$0.8m+150-1.2n=W$$

Tangohia te 150 mai i ngā taha e rua.

$$0.8m-1.2n=W-150$$

Me tāpiri te 1.2n ki ngā taha e rua.

$$0.8m=W-150+1.2n$$

He hanga arowhānui tō te whārite.

$$0.8m=\frac{6n}{5}+W-150$$

Whakawehea ngā taha e rua o te whārite ki te 0.8, he ōrite ki te whakarea i ngā taha e rua ki te tau huripoki o te hautanga.

$$\frac{0.8m}{0.8}=\frac{\frac{6n}{5}+W-150}{0.8}$$

Mā te whakawehe ki te 0.8 ka wetekia te whakareanga ki te 0.8.

$$m=\frac{\frac{6n}{5}+W-150}{0.8}$$

Whakawehe -150+W+\frac{6n}{5} ki te 0.8 mā te whakarea -150+W+\frac{6n}{5} ki te tau huripoki o 0.8.

$$m=\frac{3n}{2}+\frac{5W}{4}-\frac{375}{2}$$