Whakaoti mō x
x=1400
Graph
Tohaina
Kua tāruatia ki te papatopenga
7x-x=8400
Whakareatia ngā taha e rua o te whārite ki te 7.
6x=8400
Pahekotia te 7x me -x, ka 6x.
x=\frac{8400}{6}
Whakawehea ngā taha e rua ki te 6.
x=1400
Whakawehea te 8400 ki te 6, kia riro ko 1400.
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