Whakaoti mō x
x=8
Graph
Tohaina
Kua tāruatia ki te papatopenga
8x-4x-4=28
Hei kimi i te tauaro o 4x+4, kimihia te tauaro o ia taurangi.
4x-4=28
Pahekotia te 8x me -4x, ka 4x.
4x=28+4
Me tāpiri te 4 ki ngā taha e rua.
4x=32
Tāpirihia te 28 ki te 4, ka 32.
x=\frac{32}{4}
Whakawehea ngā taha e rua ki te 4.
x=8
Whakawehea te 32 ki te 4, kia riro ko 8.
Ngā Tauira
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