Whakaoti mō x
x = \frac{139}{3} = 46\frac{1}{3} \approx 46.333333333
Graph
Tohaina
Kua tāruatia ki te papatopenga
9x+15-7x-7=-3x+26\left(7+4\right)-x
Hei kimi i te tauaro o 7x+7, kimihia te tauaro o ia taurangi.
2x+15-7=-3x+26\left(7+4\right)-x
Pahekotia te 9x me -7x, ka 2x.
2x+8=-3x+26\left(7+4\right)-x
Tangohia te 7 i te 15, ka 8.
2x+8=-3x+26\times 11-x
Tāpirihia te 7 ki te 4, ka 11.
2x+8=-3x+286-x
Whakareatia te 26 ki te 11, ka 286.
2x+8=-4x+286
Pahekotia te -3x me -x, ka -4x.
2x+8+4x=286
Me tāpiri te 4x ki ngā taha e rua.
6x+8=286
Pahekotia te 2x me 4x, ka 6x.
6x=286-8
Tangohia te 8 mai i ngā taha e rua.
6x=278
Tangohia te 8 i te 286, ka 278.
x=\frac{278}{6}
Whakawehea ngā taha e rua ki te 6.
x=\frac{139}{3}
Whakahekea te hautanga \frac{278}{6} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
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