Whakaoti mō x
x=-42
Graph
Tohaina
Kua tāruatia ki te papatopenga
4=-38-x
Tāpirihia te 1 ki te 3, ka 4.
-38-x=4
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-x=4+38
Me tāpiri te 38 ki ngā taha e rua.
-x=42
Tāpirihia te 4 ki te 38, ka 42.
x=-42
Me whakarea ngā taha e rua ki te -1.
Ngā Tauira
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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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Whakarerekētanga
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