Whakaoti mō x
x=\frac{45-9y}{8}
Whakaoti mō y
y=-\frac{8x}{9}+5
Graph
Tohaina
Kua tāruatia ki te papatopenga
8x=45-9y
Tangohia te 9y mai i ngā taha e rua.
\frac{8x}{8}=\frac{45-9y}{8}
Whakawehea ngā taha e rua ki te 8.
x=\frac{45-9y}{8}
Mā te whakawehe ki te 8 ka wetekia te whakareanga ki te 8.
9y=45-8x
Tangohia te 8x mai i ngā taha e rua.
\frac{9y}{9}=\frac{45-8x}{9}
Whakawehea ngā taha e rua ki te 9.
y=\frac{45-8x}{9}
Mā te whakawehe ki te 9 ka wetekia te whakareanga ki te 9.
y=-\frac{8x}{9}+5
Whakawehe 45-8x ki te 9.
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