Whakaoti mō x
x = \frac{36}{7} = 5\frac{1}{7} \approx 5.142857143
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x+4x-16=20
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te x-4.
7x-16=20
Pahekotia te 3x me 4x, ka 7x.
7x=20+16
Me tāpiri te 16 ki ngā taha e rua.
7x=36
Tāpirihia te 20 ki te 16, ka 36.
x=\frac{36}{7}
Whakawehea ngā taha e rua ki te 7.
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