Whakaoti mō x
x=67
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-21=180
Pahekotia te 2x me x, ka 3x.
3x=180+21
Me tāpiri te 21 ki ngā taha e rua.
3x=201
Tāpirihia te 180 ki te 21, ka 201.
x=\frac{201}{3}
Whakawehea ngā taha e rua ki te 3.
x=67
Whakawehea te 201 ki te 3, kia riro ko 67.
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