Whakaoti mō x
x=-8
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+18-4x=34
Tangohia te 4x mai i ngā taha e rua.
-2x+18=34
Pahekotia te 2x me -4x, ka -2x.
-2x=34-18
Tangohia te 18 mai i ngā taha e rua.
-2x=16
Tangohia te 18 i te 34, ka 16.
x=\frac{16}{-2}
Whakawehea ngā taha e rua ki te -2.
x=-8
Whakawehea te 16 ki te -2, kia riro ko -8.
Ngā Tauira
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