Whakaoti mō x
x=\frac{4-2y}{3}
Whakaoti mō y
y=-\frac{3x}{2}+2
Graph
Tohaina
Kua tāruatia ki te papatopenga
15x-20=-10y
Tangohia te 10y mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
15x=-10y+20
Me tāpiri te 20 ki ngā taha e rua.
15x=20-10y
He hanga arowhānui tō te whārite.
\frac{15x}{15}=\frac{20-10y}{15}
Whakawehea ngā taha e rua ki te 15.
x=\frac{20-10y}{15}
Mā te whakawehe ki te 15 ka wetekia te whakareanga ki te 15.
x=\frac{4-2y}{3}
Whakawehe -10y+20 ki te 15.
10y-20=-15x
Tangohia te 15x mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
10y=-15x+20
Me tāpiri te 20 ki ngā taha e rua.
10y=20-15x
He hanga arowhānui tō te whārite.
\frac{10y}{10}=\frac{20-15x}{10}
Whakawehea ngā taha e rua ki te 10.
y=\frac{20-15x}{10}
Mā te whakawehe ki te 10 ka wetekia te whakareanga ki te 10.
y=-\frac{3x}{2}+2
Whakawehe -15x+20 ki te 10.
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