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2m-4+2=-\left(m-2\right)+4
Whakareatia ngā taha e rua o te whārite ki te 2.
2m-2=-\left(m-2\right)+4
Tāpirihia te -4 ki te 2, ka -2.
2m-2=-m-\left(-2\right)+4
Hei kimi i te tauaro o m-2, kimihia te tauaro o ia taurangi.
2m-2=-m+2+4
Ko te tauaro o -2 ko 2.
2m-2=-m+6
Tāpirihia te 2 ki te 4, ka 6.
2m-2+m=6
Me tāpiri te m ki ngā taha e rua.
3m-2=6
Pahekotia te 2m me m, ka 3m.
3m=6+2
Me tāpiri te 2 ki ngā taha e rua.
3m=8
Tāpirihia te 6 ki te 2, ka 8.
m=\frac{8}{3}
Whakawehea ngā taha e rua ki te 3.