Whakaoti mō x
x=200
Graph
Tohaina
Kua tāruatia ki te papatopenga
-0.02x+0.1x+40=56
Whakamahia te āhuatanga tohatoha hei whakarea te 0.1 ki te x+400.
0.08x+40=56
Pahekotia te -0.02x me 0.1x, ka 0.08x.
0.08x=56-40
Tangohia te 40 mai i ngā taha e rua.
0.08x=16
Tangohia te 40 i te 56, ka 16.
x=\frac{16}{0.08}
Whakawehea ngā taha e rua ki te 0.08.
x=\frac{1600}{8}
Whakarohaina te \frac{16}{0.08} mā te whakarea i te taurunga me te tauraro ki te 100.
x=200
Whakawehea te 1600 ki te 8, kia riro ko 200.
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