Whakaoti mō x
x=\frac{4y+27}{7}
Whakaoti mō y
y=\frac{7x-27}{4}
Graph
Tohaina
Kua tāruatia ki te papatopenga
7x-4y=27
Me tāpiri te 27 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
7x=27+4y
Me tāpiri te 4y ki ngā taha e rua.
7x=4y+27
He hanga arowhānui tō te whārite.
\frac{7x}{7}=\frac{4y+27}{7}
Whakawehea ngā taha e rua ki te 7.
x=\frac{4y+27}{7}
Mā te whakawehe ki te 7 ka wetekia te whakareanga ki te 7.
-27-4y=-7x
Tangohia te 7x mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
-4y=-7x+27
Me tāpiri te 27 ki ngā taha e rua.
-4y=27-7x
He hanga arowhānui tō te whārite.
\frac{-4y}{-4}=\frac{27-7x}{-4}
Whakawehea ngā taha e rua ki te -4.
y=\frac{27-7x}{-4}
Mā te whakawehe ki te -4 ka wetekia te whakareanga ki te -4.
y=\frac{7x-27}{4}
Whakawehe -7x+27 ki te -4.
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