Whakaoti mō x
x = \frac{13}{4} = 3\frac{1}{4} = 3.25
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x+4+5=6x+7x-8-9
Pahekotia te 2x me 3x, ka 5x.
5x+9=6x+7x-8-9
Tāpirihia te 4 ki te 5, ka 9.
5x+9=13x-8-9
Pahekotia te 6x me 7x, ka 13x.
5x+9=13x-17
Tangohia te 9 i te -8, ka -17.
5x+9-13x=-17
Tangohia te 13x mai i ngā taha e rua.
-8x+9=-17
Pahekotia te 5x me -13x, ka -8x.
-8x=-17-9
Tangohia te 9 mai i ngā taha e rua.
-8x=-26
Tangohia te 9 i te -17, ka -26.
x=\frac{-26}{-8}
Whakawehea ngā taha e rua ki te -8.
x=\frac{13}{4}
Whakahekea te hautanga \frac{-26}{-8} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -2.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
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Arithmetic
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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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Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
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