Tīpoka ki ngā ihirangi matua
Whakaoti mō x
Tick mark Image
Graph

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

2x+6+2x=90
Pahekotia te x me x, ka 2x.
4x+6=90
Pahekotia te 2x me 2x, ka 4x.
4x=90-6
Tangohia te 6 mai i ngā taha e rua.
4x=84
Tangohia te 6 i te 90, ka 84.
x=\frac{84}{4}
Whakawehea ngā taha e rua ki te 4.
x=21
Whakawehea te 84 ki te 4, kia riro ko 21.