Whakaoti mō x
x=\frac{7y}{4}
Whakaoti mō y
y=\frac{4x}{7}
Graph
Tohaina
Kua tāruatia ki te papatopenga
44x+44y-12x=100y
Tangohia te 12x mai i ngā taha e rua.
32x+44y=100y
Pahekotia te 44x me -12x, ka 32x.
32x=100y-44y
Tangohia te 44y mai i ngā taha e rua.
32x=56y
Pahekotia te 100y me -44y, ka 56y.
\frac{32x}{32}=\frac{56y}{32}
Whakawehea ngā taha e rua ki te 32.
x=\frac{56y}{32}
Mā te whakawehe ki te 32 ka wetekia te whakareanga ki te 32.
x=\frac{7y}{4}
Whakawehe 56y ki te 32.
44x+44y-100y=12x
Tangohia te 100y mai i ngā taha e rua.
44x-56y=12x
Pahekotia te 44y me -100y, ka -56y.
-56y=12x-44x
Tangohia te 44x mai i ngā taha e rua.
-56y=-32x
Pahekotia te 12x me -44x, ka -32x.
\frac{-56y}{-56}=-\frac{32x}{-56}
Whakawehea ngā taha e rua ki te -56.
y=-\frac{32x}{-56}
Mā te whakawehe ki te -56 ka wetekia te whakareanga ki te -56.
y=\frac{4x}{7}
Whakawehe -32x ki te -56.
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