Whakaoti mō x
x=13
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+6=3x-7
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x+3.
2x+6-3x=-7
Tangohia te 3x mai i ngā taha e rua.
-x+6=-7
Pahekotia te 2x me -3x, ka -x.
-x=-7-6
Tangohia te 6 mai i ngā taha e rua.
-x=-13
Tangohia te 6 i te -7, ka -13.
x=13
Me whakarea ngā taha e rua ki te -1.
Ngā Tauira
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}