Whakaoti mō x
x=20
Graph
Tohaina
Kua tāruatia ki te papatopenga
20x-174-5x=126
Tangohia te 5x mai i ngā taha e rua.
15x-174=126
Pahekotia te 20x me -5x, ka 15x.
15x=126+174
Me tāpiri te 174 ki ngā taha e rua.
15x=300
Tāpirihia te 126 ki te 174, ka 300.
x=\frac{300}{15}
Whakawehea ngā taha e rua ki te 15.
x=20
Whakawehea te 300 ki te 15, kia riro ko 20.
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