Whakaoti mō x
x = \frac{9}{7} = 1\frac{2}{7} \approx 1.285714286
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x+4x-8=1
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te x-2.
7x-8=1
Pahekotia te 3x me 4x, ka 7x.
7x=1+8
Me tāpiri te 8 ki ngā taha e rua.
7x=9
Tāpirihia te 1 ki te 8, ka 9.
x=\frac{9}{7}
Whakawehea ngā taha e rua ki te 7.
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]
whārite Simultaneous
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
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