Whakaoti i te 3u+1-2(-4u-1)=3(u-3)

$$3 u + 1 - 2 ( - 4 u - 1 ) = 3 ( u - 3 )$$

Whakaoti mō u

$$u = -\frac{3}{2} = -1\frac{1}{2} = -1.5$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Whakamahia te āhuatanga tohatoha hei whakarea te -2 ki te -4u-1.

$$3u+1+8u+2=3\left(u-3\right)$$

Pahekotia te 3u me 8u, ka 11u.

$$11u+1+2=3\left(u-3\right)$$

Tāpirihia te 1 ki te 2, ka 3.

$$11u+3=3\left(u-3\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te u-3.

$$11u+3=3u-9$$

Tangohia te 3u mai i ngā taha e rua.

$$11u+3-3u=-9$$

Pahekotia te 11u me -3u, ka 8u.

$$8u+3=-9$$

Tangohia te 3 mai i ngā taha e rua.

$$8u=-9-3$$

Tangohia te 3 i te -9, ka -12.

$$8u=-12$$

Whakawehea ngā taha e rua ki te 8.

$$u=\frac{-12}{8}$$

Whakahekea te hautanga \frac{-12}{8} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.

$$u=-\frac{3}{2}$$