Whakaoti mō x
x=\frac{S-57}{18}
Whakaoti mō S
S=18x+57
Graph
Tohaina
Kua tāruatia ki te papatopenga
-18x=57-S
Tangohia te S mai i ngā taha e rua.
\frac{-18x}{-18}=\frac{57-S}{-18}
Whakawehea ngā taha e rua ki te -18.
x=\frac{57-S}{-18}
Mā te whakawehe ki te -18 ka wetekia te whakareanga ki te -18.
x=\frac{S}{18}-\frac{19}{6}
Whakawehe 57-S ki te -18.
S=57+18x
Me tāpiri te 18x ki ngā taha e rua.
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