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Tohaina

m-2m-2-3\left(m-1\right)=2\left(1-4m\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -2 ki te m+1.
-m-2-3\left(m-1\right)=2\left(1-4m\right)
Pahekotia te m me -2m, ka -m.
-m-2-3m+3=2\left(1-4m\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te m-1.
-4m-2+3=2\left(1-4m\right)
Pahekotia te -m me -3m, ka -4m.
-4m+1=2\left(1-4m\right)
Tāpirihia te -2 ki te 3, ka 1.
-4m+1=2-8m
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 1-4m.
-4m+1+8m=2
Me tāpiri te 8m ki ngā taha e rua.
4m+1=2
Pahekotia te -4m me 8m, ka 4m.
4m=2-1
Tangohia te 1 mai i ngā taha e rua.
4m=1
Tangohia te 1 i te 2, ka 1.
m=\frac{1}{4}
Whakawehea ngā taha e rua ki te 4.