Whakaoti mō x
x=-\frac{5y}{3}+12
Whakaoti mō y
y=\frac{36-3x}{5}
Graph
Tohaina
Kua tāruatia ki te papatopenga
12x=144-20y
Tangohia te 20y mai i ngā taha e rua.
\frac{12x}{12}=\frac{144-20y}{12}
Whakawehea ngā taha e rua ki te 12.
x=\frac{144-20y}{12}
Mā te whakawehe ki te 12 ka wetekia te whakareanga ki te 12.
x=-\frac{5y}{3}+12
Whakawehe 144-20y ki te 12.
20y=144-12x
Tangohia te 12x mai i ngā taha e rua.
\frac{20y}{20}=\frac{144-12x}{20}
Whakawehea ngā taha e rua ki te 20.
y=\frac{144-12x}{20}
Mā te whakawehe ki te 20 ka wetekia te whakareanga ki te 20.
y=\frac{36-3x}{5}
Whakawehe 144-12x ki te 20.
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