Whakaoti mō x
x = \frac{9}{7} = 1\frac{2}{7} \approx 1.285714286
Graph
Pātaitai
Linear Equation
2x-9=-5x
Tohaina
Kua tāruatia ki te papatopenga
2x-9+5x=0
Me tāpiri te 5x ki ngā taha e rua.
7x-9=0
Pahekotia te 2x me 5x, ka 7x.
7x=9
Me tāpiri te 9 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
x=\frac{9}{7}
Whakawehea ngā taha e rua ki te 7.
Ngā Tauira
whārite tapawhā
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Āhuahanga
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Poukapa
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whārite Simultaneous
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}