Whakaoti mō Y
Y=\frac{2\left(x+45\right)}{13}
Whakaoti mō x
x=\frac{13Y}{2}-45
Graph
Tohaina
Kua tāruatia ki te papatopenga
13Y=90+2x
Me tāpiri te 2x ki ngā taha e rua.
13Y=2x+90
He hanga arowhānui tō te whārite.
\frac{13Y}{13}=\frac{2x+90}{13}
Whakawehea ngā taha e rua ki te 13.
Y=\frac{2x+90}{13}
Mā te whakawehe ki te 13 ka wetekia te whakareanga ki te 13.
-2x=90-13Y
Tangohia te 13Y mai i ngā taha e rua.
\frac{-2x}{-2}=\frac{90-13Y}{-2}
Whakawehea ngā taha e rua ki te -2.
x=\frac{90-13Y}{-2}
Mā te whakawehe ki te -2 ka wetekia te whakareanga ki te -2.
x=\frac{13Y}{2}-45
Whakawehe 90-13Y ki te -2.
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