Whakaoti mō x
x=-2
Graph
Tohaina
Kua tāruatia ki te papatopenga
-2x-1-\frac{1}{2}x=4
Tangohia te \frac{1}{2}x mai i ngā taha e rua.
-\frac{5}{2}x-1=4
Pahekotia te -2x me -\frac{1}{2}x, ka -\frac{5}{2}x.
-\frac{5}{2}x=4+1
Me tāpiri te 1 ki ngā taha e rua.
-\frac{5}{2}x=5
Tāpirihia te 4 ki te 1, ka 5.
x=5\left(-\frac{2}{5}\right)
Me whakarea ngā taha e rua ki te -\frac{2}{5}, te tau utu o -\frac{5}{2}.
x=-2
Me whakakore te 5 me te 5.
Ngā Tauira
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