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

Tohaina

900=\left(4x+5\right)\times 2
Ka whakawehea he tau ki te tahi, hua ai ko ia anō.
900=8x+10
Whakamahia te āhuatanga tohatoha hei whakarea te 4x+5 ki te 2.
8x+10=900
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
8x=900-10
Tangohia te 10 mai i ngā taha e rua.
8x=890
Tangohia te 10 i te 900, ka 890.
x=\frac{890}{8}
Whakawehea ngā taha e rua ki te 8.
x=\frac{445}{4}
Whakahekea te hautanga \frac{890}{8} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.