Whakaoti mō x
x=7.9
Graph
Tohaina
Kua tāruatia ki te papatopenga
2.2+2x=18
Tangohia te 7.4 i te 9.6, ka 2.2.
2x=18-2.2
Tangohia te 2.2 mai i ngā taha e rua.
2x=15.8
Tangohia te 2.2 i te 18, ka 15.8.
x=\frac{15.8}{2}
Whakawehea ngā taha e rua ki te 2.
x=\frac{158}{20}
Whakarohaina te \frac{15.8}{2} mā te whakarea i te taurunga me te tauraro ki te 10.
x=\frac{79}{10}
Whakahekea te hautanga \frac{158}{20} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
Ngā Tauira
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