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