Whakaoti i te 0.42x-x=5.1(x+3)

$$0.42 x - x = 5.1 ( x + 3 )$$

Whakaoti mō x

$$x = -\frac{765}{284} = -2\frac{197}{284} \approx -2.693661972$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Pahekotia te 0.42x me -x, ka -0.58x.

$$-0.58x=5.1\left(x+3\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te 5.1 ki te x+3.

$$-0.58x=5.1x+15.3$$

Tangohia te 5.1x mai i ngā taha e rua.

$$-0.58x-5.1x=15.3$$

Pahekotia te -0.58x me -5.1x, ka -5.68x.

$$-5.68x=15.3$$

Whakawehea ngā taha e rua ki te -5.68.

$$x=\frac{15.3}{-5.68}$$

Whakarohaina te \frac{15.3}{-5.68} mā te whakarea i te taurunga me te tauraro ki te 100.

$$x=\frac{1530}{-568}$$

Whakahekea te hautanga \frac{1530}{-568} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$x=-\frac{765}{284}$$