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Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

x+15=6x
Whakareatia ngā taha e rua o te whārite ki te 3.
x+15-6x=0
Tangohia te 6x mai i ngā taha e rua.
-5x+15=0
Pahekotia te x me -6x, ka -5x.
-5x=-15
Tangohia te 15 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x=\frac{-15}{-5}
Whakawehea ngā taha e rua ki te -5.
x=3
Whakawehea te -15 ki te -5, kia riro ko 3.