Whakaoti mō x
x = \frac{45}{7} = 6\frac{3}{7} \approx 6.428571429
Graph
Tohaina
Kua tāruatia ki te papatopenga
39+5x-24+2x=60
Whakamahia te āhuatanga tohatoha hei whakarea te -2 ki te 12-x.
15+5x+2x=60
Tangohia te 24 i te 39, ka 15.
15+7x=60
Pahekotia te 5x me 2x, ka 7x.
7x=60-15
Tangohia te 15 mai i ngā taha e rua.
7x=45
Tangohia te 15 i te 60, ka 45.
x=\frac{45}{7}
Whakawehea ngā taha e rua ki te 7.
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