Whakaoti mō x
x=-250
Graph
Tohaina
Kua tāruatia ki te papatopenga
0.08x-0.05x=-7.5
Tangohia te 0.05x mai i ngā taha e rua.
0.03x=-7.5
Pahekotia te 0.08x me -0.05x, ka 0.03x.
x=\frac{-7.5}{0.03}
Whakawehea ngā taha e rua ki te 0.03.
x=\frac{-750}{3}
Whakarohaina te \frac{-7.5}{0.03} mā te whakarea i te taurunga me te tauraro ki te 100.
x=-250
Whakawehea te -750 ki te 3, kia riro ko -250.
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