Whakaoti mō y
y=x-7
Whakaoti mō x
x=y+7
Graph
Pātaitai
Algebra
x-y=7
Tohaina
Kua tāruatia ki te papatopenga
-y=7-x
Tangohia te x mai i ngā taha e rua.
\frac{-y}{-1}=\frac{7-x}{-1}
Whakawehea ngā taha e rua ki te -1.
y=\frac{7-x}{-1}
Mā te whakawehe ki te -1 ka wetekia te whakareanga ki te -1.
y=x-7
Whakawehe 7-x ki te -1.
x=7+y
Me tāpiri te y ki ngā taha e rua.
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