Whakaoti mō x
x = -\frac{7}{3} = -2\frac{1}{3} \approx -2.333333333
Graph
Tohaina
Kua tāruatia ki te papatopenga
3-2x-4x=17
Tangohia te 5 i te 8, ka 3.
3-6x=17
Pahekotia te -2x me -4x, ka -6x.
-6x=17-3
Tangohia te 3 mai i ngā taha e rua.
-6x=14
Tangohia te 3 i te 17, ka 14.
x=\frac{14}{-6}
Whakawehea ngā taha e rua ki te -6.
x=-\frac{7}{3}
Whakahekea te hautanga \frac{14}{-6} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
Ngā Tauira
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Poukapa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
whārite Simultaneous
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Whakarerekētanga
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Ngā Tepe
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