Whakaoti mō x
x=8
Graph
Tohaina
Kua tāruatia ki te papatopenga
112+7x+12=180
Pahekotia te 4x me 3x, ka 7x.
124+7x=180
Tāpirihia te 112 ki te 12, ka 124.
7x=180-124
Tangohia te 124 mai i ngā taha e rua.
7x=56
Tangohia te 124 i te 180, ka 56.
x=\frac{56}{7}
Whakawehea ngā taha e rua ki te 7.
x=8
Whakawehea te 56 ki te 7, kia riro ko 8.
Ngā Tauira
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Whakarerekētanga
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