Whakaoti i te 7(v+8)=-5(3v-8)+4v

$$7 ( v + 8 ) = - 5 ( 3 v - 8 ) + 4 v$$

Whakaoti mō v

$$v=-\frac{8}{9}\approx -0.888888889$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Whakamahia te āhuatanga tohatoha hei whakarea te 7 ki te v+8.

$$7v+56=-5\left(3v-8\right)+4v$$

Whakamahia te āhuatanga tohatoha hei whakarea te -5 ki te 3v-8.

$$7v+56=-15v+40+4v$$

Pahekotia te -15v me 4v, ka -11v.

$$7v+56=-11v+40$$

Me tāpiri te 11v ki ngā taha e rua.

$$7v+56+11v=40$$

Pahekotia te 7v me 11v, ka 18v.

$$18v+56=40$$

Tangohia te 56 mai i ngā taha e rua.

$$18v=40-56$$

Tangohia te 56 i te 40, ka -16.

$$18v=-16$$

Whakawehea ngā taha e rua ki te 18.

$$v=\frac{-16}{18}$$

Whakahekea te hautanga \frac{-16}{18} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$v=-\frac{8}{9}$$