Whakaoti mō x
x=-2
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+6+x=0
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x+3.
3x+6=0
Pahekotia te 2x me x, ka 3x.
3x=-6
Tangohia te 6 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x=\frac{-6}{3}
Whakawehea ngā taha e rua ki te 3.
x=-2
Whakawehea te -6 ki te 3, kia riro ko -2.
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