Whakaoti mō x
x = \frac{79}{9} = 8\frac{7}{9} \approx 8.777777778
Graph
Tohaina
Kua tāruatia ki te papatopenga
167-9x=9x+9
Tāpirihia te 90 ki te 77, ka 167.
167-9x-9x=9
Tangohia te 9x mai i ngā taha e rua.
167-18x=9
Pahekotia te -9x me -9x, ka -18x.
-18x=9-167
Tangohia te 167 mai i ngā taha e rua.
-18x=-158
Tangohia te 167 i te 9, ka -158.
x=\frac{-158}{-18}
Whakawehea ngā taha e rua ki te -18.
x=\frac{79}{9}
Whakahekea te hautanga \frac{-158}{-18} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -2.
Ngā Tauira
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Ngā Tepe
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