\{ 4 x + 5 y = 825
Whakaoti mō x
x=\frac{825-5y}{4}
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x=825-5y
Tangohia te 5y mai i ngā taha e rua.
\frac{4x}{4}=\frac{825-5y}{4}
Whakawehea ngā taha e rua ki te 4.
x=\frac{825-5y}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
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