Whakaoti mō x
x=3
Graph
Tohaina
Kua tāruatia ki te papatopenga
9x-15-3x=3
Tangohia te 3x mai i ngā taha e rua.
6x-15=3
Pahekotia te 9x me -3x, ka 6x.
6x=3+15
Me tāpiri te 15 ki ngā taha e rua.
6x=18
Tāpirihia te 3 ki te 15, ka 18.
x=\frac{18}{6}
Whakawehea ngā taha e rua ki te 6.
x=3
Whakawehea te 18 ki te 6, kia riro ko 3.
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