Whakaoti mō x
x = \frac{12}{7} = 1\frac{5}{7} \approx 1.714285714
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-5+4x=7
Me tāpiri te 4x ki ngā taha e rua.
7x-5=7
Pahekotia te 3x me 4x, ka 7x.
7x=7+5
Me tāpiri te 5 ki ngā taha e rua.
7x=12
Tāpirihia te 7 ki te 5, ka 12.
x=\frac{12}{7}
Whakawehea ngā taha e rua ki te 7.
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