Whakaoti mō x
x=\frac{y+10}{3}
Whakaoti mō y
y=3x-10
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-y=9+1
Me tāpiri te 1 ki ngā taha e rua.
3x-y=10
Tāpirihia te 9 ki te 1, ka 10.
3x=10+y
Me tāpiri te y ki ngā taha e rua.
3x=y+10
He hanga arowhānui tō te whārite.
\frac{3x}{3}=\frac{y+10}{3}
Whakawehea ngā taha e rua ki te 3.
x=\frac{y+10}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
-1-y=9-3x
Tangohia te 3x mai i ngā taha e rua.
-y=9-3x+1
Me tāpiri te 1 ki ngā taha e rua.
-y=10-3x
Tāpirihia te 9 ki te 1, ka 10.
\frac{-y}{-1}=\frac{10-3x}{-1}
Whakawehea ngā taha e rua ki te -1.
y=\frac{10-3x}{-1}
Mā te whakawehe ki te -1 ka wetekia te whakareanga ki te -1.
y=3x-10
Whakawehe 10-3x ki te -1.
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