Whakaoti mō a
a=-\frac{b}{2}
Whakaoti mō b
b=-2a
Tohaina
Kua tāruatia ki te papatopenga
a\times 2=-b
Tangohia te b mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
2a=-b
He hanga arowhānui tō te whārite.
\frac{2a}{2}=-\frac{b}{2}
Whakawehea ngā taha e rua ki te 2.
a=-\frac{b}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
b=-a\times 2
Tangohia te a\times 2 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
b=-2a
Whakareatia te -1 ki te 2, ka -2.
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