Whakaoti mō x
x=-1
Graph
Tohaina
Kua tāruatia ki te papatopenga
x\times 3+2=x
Tē taea kia ōrite te tāupe x ki 0 nā te kore tautuhi i te whakawehenga mā te kore. Whakareatia ngā taha e rua o te whārite ki te x.
x\times 3+2-x=0
Tangohia te x mai i ngā taha e rua.
2x+2=0
Pahekotia te x\times 3 me -x, ka 2x.
2x=-2
Tangohia te 2 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x=\frac{-2}{2}
Whakawehea ngā taha e rua ki te 2.
x=-1
Whakawehea te -2 ki te 2, kia riro ko -1.
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