Whakaoti mō x
x=7-2y
Whakaoti mō y
y=\frac{7-x}{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x-28=-8y
Tangohia te 8y mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
4x=-8y+28
Me tāpiri te 28 ki ngā taha e rua.
4x=28-8y
He hanga arowhānui tō te whārite.
\frac{4x}{4}=\frac{28-8y}{4}
Whakawehea ngā taha e rua ki te 4.
x=\frac{28-8y}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
x=7-2y
Whakawehe -8y+28 ki te 4.
8y-28=-4x
Tangohia te 4x mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
8y=-4x+28
Me tāpiri te 28 ki ngā taha e rua.
8y=28-4x
He hanga arowhānui tō te whārite.
\frac{8y}{8}=\frac{28-4x}{8}
Whakawehea ngā taha e rua ki te 8.
y=\frac{28-4x}{8}
Mā te whakawehe ki te 8 ka wetekia te whakareanga ki te 8.
y=\frac{7-x}{2}
Whakawehe -4x+28 ki te 8.
Ngā Tauira
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