Whakaoti i te 0.14(R+15)=0.2(R+9)

$$0.14 ( R + 15 ) = 0.2 ( R + 9 )$$

Whakaoti mō R

$$R=5$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Whakamahia te āhuatanga tohatoha hei whakarea te 0.14 ki te R+15.

$$0.14R+2.1=0.2\left(R+9\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te 0.2 ki te R+9.

$$0.14R+2.1=0.2R+1.8$$

Tangohia te 0.2R mai i ngā taha e rua.

$$0.14R+2.1-0.2R=1.8$$

Pahekotia te 0.14R me -0.2R, ka -0.06R.

$$-0.06R+2.1=1.8$$

Tangohia te 2.1 mai i ngā taha e rua.

$$-0.06R=1.8-2.1$$

Tangohia te 2.1 i te 1.8, ka -0.3.

$$-0.06R=-0.3$$

Whakawehea ngā taha e rua ki te -0.06.

$$R=\frac{-0.3}{-0.06}$$

Whakarohaina te \frac{-0.3}{-0.06} mā te whakarea i te taurunga me te tauraro ki te 100.

$$R=\frac{-30}{-6}$$

Whakawehea te -30 ki te -6, kia riro ko 5.

$$R=5$$