Whakaoti mō x
x=20
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x+29-7x=-11
Tangohia te 7x mai i ngā taha e rua.
-2x+29=-11
Pahekotia te 5x me -7x, ka -2x.
-2x=-11-29
Tangohia te 29 mai i ngā taha e rua.
-2x=-40
Tangohia te 29 i te -11, ka -40.
x=\frac{-40}{-2}
Whakawehea ngā taha e rua ki te -2.
x=20
Whakawehea te -40 ki te -2, kia riro ko 20.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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\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]
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
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