\{ 4 x + 2 y = 7
Whakaoti mō x
x=-\frac{y}{2}+\frac{7}{4}
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x=7-2y
Tangohia te 2y mai i ngā taha e rua.
\frac{4x}{4}=\frac{7-2y}{4}
Whakawehea ngā taha e rua ki te 4.
x=\frac{7-2y}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
x=-\frac{y}{2}+\frac{7}{4}
Whakawehe 7-2y ki te 4.
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