Whakaoti mō x
x=55
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x=90+20
Me tāpiri te 20 ki ngā taha e rua.
2x=110
Tāpirihia te 90 ki te 20, ka 110.
x=\frac{110}{2}
Whakawehea ngā taha e rua ki te 2.
x=55
Whakawehea te 110 ki te 2, kia riro ko 55.
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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Whakarerekētanga
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