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Tohaina

2y=-13+5
Me tāpiri te 5 ki ngā taha e rua.
2y=-8
Tāpirihia te -13 ki te 5, ka -8.
y=\frac{-8}{2}
Whakawehea ngā taha e rua ki te 2.
y=-4
Whakawehea te -8 ki te 2, kia riro ko -4.