Whakaoti mō x
x=-40
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{1}{2}x=-10-10
Tangohia te 10 mai i ngā taha e rua.
\frac{1}{2}x=-20
Tangohia te 10 i te -10, ka -20.
x=-20\times 2
Me whakarea ngā taha e rua ki te 2, te tau utu o \frac{1}{2}.
x=-40
Whakareatia te -20 ki te 2, ka -40.
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