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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

1+9+x\times 4=2x
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.
10+x\times 4=2x
Tāpirihia te 1 ki te 9, ka 10.
10+x\times 4-2x=0
Tangohia te 2x mai i ngā taha e rua.
10+2x=0
Pahekotia te x\times 4 me -2x, ka 2x.
2x=-10
Tangohia te 10 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x=\frac{-10}{2}
Whakawehea ngā taha e rua ki te 2.
x=-5
Whakawehea te -10 ki te 2, kia riro ko -5.