Whakaoti mō x
x=-\frac{y}{2}
Whakaoti mō y
y=-2x
Graph
Tohaina
Kua tāruatia ki te papatopenga
-10x=5y
Me tāpiri te 5y ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
\frac{-10x}{-10}=\frac{5y}{-10}
Whakawehea ngā taha e rua ki te -10.
x=\frac{5y}{-10}
Mā te whakawehe ki te -10 ka wetekia te whakareanga ki te -10.
x=-\frac{y}{2}
Whakawehe 5y ki te -10.
-5y=10x
Me tāpiri te 10x ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
\frac{-5y}{-5}=\frac{10x}{-5}
Whakawehea ngā taha e rua ki te -5.
y=\frac{10x}{-5}
Mā te whakawehe ki te -5 ka wetekia te whakareanga ki te -5.
y=-2x
Whakawehe 10x ki te -5.
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