Whakaoti mō x
x = -\frac{5}{2} = -2\frac{1}{2} = -2.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
7x-14+2x+3=3\left(x-8\right)-2
Whakamahia te āhuatanga tohatoha hei whakarea te 7 ki te x-2.
9x-14+3=3\left(x-8\right)-2
Pahekotia te 7x me 2x, ka 9x.
9x-11=3\left(x-8\right)-2
Tāpirihia te -14 ki te 3, ka -11.
9x-11=3x-24-2
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x-8.
9x-11=3x-26
Tangohia te 2 i te -24, ka -26.
9x-11-3x=-26
Tangohia te 3x mai i ngā taha e rua.
6x-11=-26
Pahekotia te 9x me -3x, ka 6x.
6x=-26+11
Me tāpiri te 11 ki ngā taha e rua.
6x=-15
Tāpirihia te -26 ki te 11, ka -15.
x=\frac{-15}{6}
Whakawehea ngā taha e rua ki te 6.
x=-\frac{5}{2}
Whakahekea te hautanga \frac{-15}{6} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 3.
Ngā Tauira
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