Whakaoti mō x
x = \frac{178}{7} = 25\frac{3}{7} \approx 25.428571429
Graph
Tohaina
Kua tāruatia ki te papatopenga
7x-40=138
Whakareatia te 2 ki te 20, ka 40.
7x=138+40
Me tāpiri te 40 ki ngā taha e rua.
7x=178
Tāpirihia te 138 ki te 40, ka 178.
x=\frac{178}{7}
Whakawehea ngā taha e rua ki te 7.
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