Whakaoti mō x
x = -\frac{5}{4} = -1\frac{1}{4} = -1.25
Graph
Pātaitai
Linear Equation
5 raruraru e ōrite ana ki:
\frac { 2 } { x } - \frac { 4 } { 5 } = \frac { 3 } { x }
Tohaina
Kua tāruatia ki te papatopenga
5\times 2+5x\left(-\frac{4}{5}\right)=5\times 3
Tē taea kia ōrite te tāupe x ki 0 nā te kore tautuhi i te whakawehenga mā te kore. Me whakarea ngā taha e rua o te whārite ki te 5x, arā, te tauraro pātahi he tino iti rawa te kitea o x,5.
10+5x\left(-\frac{4}{5}\right)=5\times 3
Whakareatia te 5 ki te 2, ka 10.
10-4x=5\times 3
Me whakakore te 5 me te 5.
10-4x=15
Whakareatia te 5 ki te 3, ka 15.
-4x=15-10
Tangohia te 10 mai i ngā taha e rua.
-4x=5
Tangohia te 10 i te 15, ka 5.
x=\frac{5}{-4}
Whakawehea ngā taha e rua ki te -4.
x=-\frac{5}{4}
Ka taea te hautanga \frac{5}{-4} te tuhi anō ko -\frac{5}{4} mā te tango i te tohu tōraro.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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