Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

20x-4=-3\left(5x-1\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te 5x-1.
20x-4=-15x+3
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te 5x-1.
20x-4+15x=3
Me tāpiri te 15x ki ngā taha e rua.
35x-4=3
Pahekotia te 20x me 15x, ka 35x.
35x=3+4
Me tāpiri te 4 ki ngā taha e rua.
35x=7
Tāpirihia te 3 ki te 4, ka 7.
x=\frac{7}{35}
Whakawehea ngā taha e rua ki te 35.
x=\frac{1}{5}
Whakahekea te hautanga \frac{7}{35} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 7.