Whakaoti mō x
x = \frac{420}{19} = 22\frac{2}{19} \approx 22.105263158
Graph
Tohaina
Kua tāruatia ki te papatopenga
12x+7x=420
Me whakarea ngā taha e rua o te whārite ki te 420, arā, te tauraro pātahi he tino iti rawa te kitea o 35,60.
19x=420
Pahekotia te 12x me 7x, ka 19x.
x=\frac{420}{19}
Whakawehea ngā taha e rua ki te 19.
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