Whakaoti mō x
x=-20
Graph
Tohaina
Kua tāruatia ki te papatopenga
x+50+0x=30
Whakareatia te 0 ki te 90, ka 0.
x+50+0=30
Ko te tau i whakarea ki te kore ka hua ko te kore.
x+50=30
Tāpirihia te 50 ki te 0, ka 50.
x=30-50
Tangohia te 50 mai i ngā taha e rua.
x=-20
Tangohia te 50 i te 30, ka -20.
Ngā Tauira
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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]
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Whakarerekētanga
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Whakaurunga
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