Whakaoti mō x
x=\frac{10}{17}\approx 0.588235294
Graph
Tohaina
Kua tāruatia ki te papatopenga
10-5x=12x
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te 2-x.
10-5x-12x=0
Tangohia te 12x mai i ngā taha e rua.
10-17x=0
Pahekotia te -5x me -12x, ka -17x.
-17x=-10
Tangohia te 10 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x=\frac{-10}{-17}
Whakawehea ngā taha e rua ki te -17.
x=\frac{10}{17}
Ka taea te hautanga \frac{-10}{-17} te whakamāmā ki te \frac{10}{17} mā te tango tahi i te tohu tōraro i te taurunga me te tauraro.
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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]
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