Whakaoti mō y
y=30
Graph
Tohaina
Kua tāruatia ki te papatopenga
3y=5y-60
Me whakarea ngā taha e rua o te whārite ki te 15, arā, te tauraro pātahi he tino iti rawa te kitea o 5,3.
3y-5y=-60
Tangohia te 5y mai i ngā taha e rua.
-2y=-60
Pahekotia te 3y me -5y, ka -2y.
y=\frac{-60}{-2}
Whakawehea ngā taha e rua ki te -2.
y=30
Whakawehea te -60 ki te -2, kia riro ko 30.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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