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2y+3=\frac{20}{5}
Whakawehea ngā taha e rua ki te 5.
2y+3=4
Whakawehea te 20 ki te 5, kia riro ko 4.
2y=4-3
Tangohia te 3 mai i ngā taha e rua.
2y=1
Tangohia te 3 i te 4, ka 1.
y=\frac{1}{2}
Whakawehea ngā taha e rua ki te 2.