Whakaoti mō x
x = \frac{139}{2} = 69\frac{1}{2} = 69.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+30=169
Pahekotia te x me x, ka 2x.
2x=169-30
Tangohia te 30 mai i ngā taha e rua.
2x=139
Tangohia te 30 i te 169, ka 139.
x=\frac{139}{2}
Whakawehea ngā taha e rua ki te 2.
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