Whakaoti mō x
x=80
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{1}{20}x=4
Pahekotia te \frac{4}{5}x me -\frac{3}{4}x, ka \frac{1}{20}x.
x=4\times 20
Me whakarea ngā taha e rua ki te 20, te tau utu o \frac{1}{20}.
x=80
Whakareatia te 4 ki te 20, ka 80.
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