Whakaoti mō x
x=-\frac{y}{28}+\frac{1}{7}
Whakaoti mō y
y=4-28x
Graph
Tohaina
Kua tāruatia ki te papatopenga
28x=4-y
Tangohia te y mai i ngā taha e rua.
\frac{28x}{28}=\frac{4-y}{28}
Whakawehea ngā taha e rua ki te 28.
x=\frac{4-y}{28}
Mā te whakawehe ki te 28 ka wetekia te whakareanga ki te 28.
x=-\frac{y}{28}+\frac{1}{7}
Whakawehe 4-y ki te 28.
y=4-28x
Tangohia te 28x mai i ngā taha e rua.
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