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Whakaoti mō x
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Tohaina

789x=15x-53^{10}
Hei hiki pū ki tētahi pū anō, me whakarea ngā taupū. Me whakarea te 2 me te 5 kia riro ai te 10.
789x=15x-174887470365513049
Tātaihia te 53 mā te pū o 10, kia riro ko 174887470365513049.
789x-15x=-174887470365513049
Tangohia te 15x mai i ngā taha e rua.
774x=-174887470365513049
Pahekotia te 789x me -15x, ka 774x.
x=\frac{-174887470365513049}{774}
Whakawehea ngā taha e rua ki te 774.
x=-\frac{174887470365513049}{774}
Ka taea te hautanga \frac{-174887470365513049}{774} te tuhi anō ko -\frac{174887470365513049}{774} mā te tango i te tohu tōraro.