Whakaoti mō x
x=-3
Graph
Tohaina
Kua tāruatia ki te papatopenga
-3x+1-x=13
Tangohia te x mai i ngā taha e rua.
-4x+1=13
Pahekotia te -3x me -x, ka -4x.
-4x=13-1
Tangohia te 1 mai i ngā taha e rua.
-4x=12
Tangohia te 1 i te 13, ka 12.
x=\frac{12}{-4}
Whakawehea ngā taha e rua ki te -4.
x=-3
Whakawehea te 12 ki te -4, kia riro ko -3.
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]
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Whakarerekētanga
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Ngā Tepe
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