Whakaoti mō x
x=7
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x+4-2x=25
Tangohia te 2x mai i ngā taha e rua.
3x+4=25
Pahekotia te 5x me -2x, ka 3x.
3x=25-4
Tangohia te 4 mai i ngā taha e rua.
3x=21
Tangohia te 4 i te 25, ka 21.
x=\frac{21}{3}
Whakawehea ngā taha e rua ki te 3.
x=7
Whakawehea te 21 ki te 3, kia riro ko 7.
Ngā Tauira
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