Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Whakaoti mō y
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

3x+3z=909-3y
Tangohia te 3y mai i ngā taha e rua.
3x=909-3y-3z
Tangohia te 3z mai i ngā taha e rua.
3x=909-3z-3y
He hanga arowhānui tō te whārite.
\frac{3x}{3}=\frac{909-3z-3y}{3}
Whakawehea ngā taha e rua ki te 3.
x=\frac{909-3z-3y}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
x=303-z-y
Whakawehe 909-3y-3z ki te 3.
3y+3z=909-3x
Tangohia te 3x mai i ngā taha e rua.
3y=909-3x-3z
Tangohia te 3z mai i ngā taha e rua.
3y=909-3z-3x
He hanga arowhānui tō te whārite.
\frac{3y}{3}=\frac{909-3z-3x}{3}
Whakawehea ngā taha e rua ki te 3.
y=\frac{909-3z-3x}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
y=303-z-x
Whakawehe 909-3x-3z ki te 3.