Whakaoti mō w
w=10
Tohaina
Kua tāruatia ki te papatopenga
\frac{1}{4}w=10.75-8.25
Tangohia te 8.25 mai i ngā taha e rua.
\frac{1}{4}w=2.5
Tangohia te 8.25 i te 10.75, ka 2.5.
w=2.5\times 4
Me whakarea ngā taha e rua ki te 4, te tau utu o \frac{1}{4}.
w=10
Whakareatia te 2.5 ki te 4, ka 10.
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