Whakaoti mō x
x=-12.1
Graph
Tohaina
Kua tāruatia ki te papatopenga
13.6x-3.55-13.2x=-8.39
Tangohia te 13.2x mai i ngā taha e rua.
0.4x-3.55=-8.39
Pahekotia te 13.6x me -13.2x, ka 0.4x.
0.4x=-8.39+3.55
Me tāpiri te 3.55 ki ngā taha e rua.
0.4x=-4.84
Tāpirihia te -8.39 ki te 3.55, ka -4.84.
x=\frac{-4.84}{0.4}
Whakawehea ngā taha e rua ki te 0.4.
x=\frac{-484}{40}
Whakarohaina te \frac{-4.84}{0.4} mā te whakarea i te taurunga me te tauraro ki te 100.
x=-\frac{121}{10}
Whakahekea te hautanga \frac{-484}{40} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.
Ngā Tauira
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