Whakaoti mō x
x=\frac{1}{7}\approx 0.142857143
Graph
Tohaina
Kua tāruatia ki te papatopenga
0.7x+0.3=0.4
Pahekotia te x me -0.3x, ka 0.7x.
0.7x=0.4-0.3
Tangohia te 0.3 mai i ngā taha e rua.
0.7x=0.1
Tangohia te 0.3 i te 0.4, ka 0.1.
x=\frac{0.1}{0.7}
Whakawehea ngā taha e rua ki te 0.7.
x=\frac{1}{7}
Whakarohaina te \frac{0.1}{0.7} mā te whakarea i te taurunga me te tauraro ki te 10.
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