Whakaoti mō x
x=\frac{4}{5}=0.8
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Tohaina
Kua tāruatia ki te papatopenga
\frac{20}{25}=x
Whakawehea ngā taha e rua ki te 25.
\frac{4}{5}=x
Whakahekea te hautanga \frac{20}{25} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.
x=\frac{4}{5}
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
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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