Whakaoti mō x
x=13
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+2-18=10
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x+1.
2x-16=10
Tangohia te 18 i te 2, ka -16.
2x=10+16
Me tāpiri te 16 ki ngā taha e rua.
2x=26
Tāpirihia te 10 ki te 16, ka 26.
x=\frac{26}{2}
Whakawehea ngā taha e rua ki te 2.
x=13
Whakawehea te 26 ki te 2, kia riro ko 13.
Ngā Tauira
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