Whakaoti mō x
x=\frac{3}{5}=0.6
Graph
Tohaina
Kua tāruatia ki te papatopenga
10x=420-414
Tangohia te 414 mai i ngā taha e rua.
10x=6
Tangohia te 414 i te 420, ka 6.
x=\frac{6}{10}
Whakawehea ngā taha e rua ki te 10.
x=\frac{3}{5}
Whakahekea te hautanga \frac{6}{10} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
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]
whārite Simultaneous
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}