Whakaoti mō x
x=3
Graph
Tohaina
Kua tāruatia ki te papatopenga
10x+4-21=13
Pahekotia te 2x me 8x, ka 10x.
10x-17=13
Tangohia te 21 i te 4, ka -17.
10x=13+17
Me tāpiri te 17 ki ngā taha e rua.
10x=30
Tāpirihia te 13 ki te 17, ka 30.
x=\frac{30}{10}
Whakawehea ngā taha e rua ki te 10.
x=3
Whakawehea te 30 ki te 10, kia riro ko 3.
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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Ngā Tepe
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