Whakaoti mō x
x=-\frac{y}{5}+\frac{2}{15}
Whakaoti mō y
y=\frac{2}{3}-5x
Graph
Tohaina
Kua tāruatia ki te papatopenga
30x=4-6y
Tangohia te 6y mai i ngā taha e rua.
\frac{30x}{30}=\frac{4-6y}{30}
Whakawehea ngā taha e rua ki te 30.
x=\frac{4-6y}{30}
Mā te whakawehe ki te 30 ka wetekia te whakareanga ki te 30.
x=-\frac{y}{5}+\frac{2}{15}
Whakawehe 4-6y ki te 30.
6y=4-30x
Tangohia te 30x mai i ngā taha e rua.
\frac{6y}{6}=\frac{4-30x}{6}
Whakawehea ngā taha e rua ki te 6.
y=\frac{4-30x}{6}
Mā te whakawehe ki te 6 ka wetekia te whakareanga ki te 6.
y=\frac{2}{3}-5x
Whakawehe 4-30x ki te 6.
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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