Whakaoti mō x
x=31
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+118=180
Tāpirihia te 90 ki te 28, ka 118.
2x=180-118
Tangohia te 118 mai i ngā taha e rua.
2x=62
Tangohia te 118 i te 180, ka 62.
x=\frac{62}{2}
Whakawehea ngā taha e rua ki te 2.
x=31
Whakawehea te 62 ki te 2, kia riro ko 31.
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