Whakaoti mō x
x=12
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+2+x=38
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x+1.
3x+2=38
Pahekotia te 2x me x, ka 3x.
3x=38-2
Tangohia te 2 mai i ngā taha e rua.
3x=36
Tangohia te 2 i te 38, ka 36.
x=\frac{36}{3}
Whakawehea ngā taha e rua ki te 3.
x=12
Whakawehea te 36 ki te 3, kia riro ko 12.
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