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Whakaoti mō x
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Tohaina

x\times 1.2+x\times 1.44=10000000\times 2
Me whakarea ngā taha e rua ki te 2.
2.64x=10000000\times 2
Pahekotia te x\times 1.2 me x\times 1.44, ka 2.64x.
2.64x=20000000
Whakareatia te 10000000 ki te 2, ka 20000000.
x=\frac{20000000}{2.64}
Whakawehea ngā taha e rua ki te 2.64.
x=\frac{2000000000}{264}
Whakarohaina te \frac{20000000}{2.64} mā te whakarea i te taurunga me te tauraro ki te 100.
x=\frac{250000000}{33}
Whakahekea te hautanga \frac{2000000000}{264} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 8.