Whakaoti mō x
x = \frac{100}{13} = 7\frac{9}{13} \approx 7.692307692
Graph
Tohaina
Kua tāruatia ki te papatopenga
7x+6x-10=90
Pahekotia te 2x me 5x, ka 7x.
13x-10=90
Pahekotia te 7x me 6x, ka 13x.
13x=90+10
Me tāpiri te 10 ki ngā taha e rua.
13x=100
Tāpirihia te 90 ki te 10, ka 100.
x=\frac{100}{13}
Whakawehea ngā taha e rua ki te 13.
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