Whakaoti mō x
x=15
Graph
Tohaina
Kua tāruatia ki te papatopenga
39+x=24+2x
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 12+x.
39+x-2x=24
Tangohia te 2x mai i ngā taha e rua.
39-x=24
Pahekotia te x me -2x, ka -x.
-x=24-39
Tangohia te 39 mai i ngā taha e rua.
-x=-15
Tangohia te 39 i te 24, ka -15.
x=15
Me whakarea ngā taha e rua ki te -1.
Ngā Tauira
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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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Whakaurunga
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Ngā Tepe
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