Whakaoti mō x
x=\frac{3}{7}\approx 0.428571429
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x+2+4x=5
Me tāpiri te 4x ki ngā taha e rua.
7x+2=5
Pahekotia te 3x me 4x, ka 7x.
7x=5-2
Tangohia te 2 mai i ngā taha e rua.
7x=3
Tangohia te 2 i te 5, ka 3.
x=\frac{3}{7}
Whakawehea ngā taha e rua ki te 7.
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