Whakaoti mō x
x=28
Graph
Tohaina
Kua tāruatia ki te papatopenga
8\left(x-14\right)=7\left(x-12\right)
Tē taea kia ōrite te tāupe x ki 12 nā te kore tautuhi i te whakawehenga mā te kore. Me whakarea ngā taha e rua o te whārite ki te 8\left(x-12\right), arā, te tauraro pātahi he tino iti rawa te kitea o x-12,8.
8x-112=7\left(x-12\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 8 ki te x-14.
8x-112=7x-84
Whakamahia te āhuatanga tohatoha hei whakarea te 7 ki te x-12.
8x-112-7x=-84
Tangohia te 7x mai i ngā taha e rua.
x-112=-84
Pahekotia te 8x me -7x, ka x.
x=-84+112
Me tāpiri te 112 ki ngā taha e rua.
x=28
Tāpirihia te -84 ki te 112, ka 28.
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