Whakaoti mō y
y=x-15
Whakaoti mō x
x=y+15
Graph
Tohaina
Kua tāruatia ki te papatopenga
-y=15-x
Tangohia te x mai i ngā taha e rua.
\frac{-y}{-1}=\frac{15-x}{-1}
Whakawehea ngā taha e rua ki te -1.
y=\frac{15-x}{-1}
Mā te whakawehe ki te -1 ka wetekia te whakareanga ki te -1.
y=x-15
Whakawehe 15-x ki te -1.
x=15+y
Me tāpiri te y ki ngā taha e rua.
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