Whakaoti mō y
y=10
Graph
Tohaina
Kua tāruatia ki te papatopenga
0\times 4+2y=20
Whakareatia te 6 ki te 0, ka 0.
0+2y=20
Whakareatia te 0 ki te 4, ka 0.
2y=20
Ko te tau i tāpiria he kore ka hua koia tonu.
y=\frac{20}{2}
Whakawehea ngā taha e rua ki te 2.
y=10
Whakawehea te 20 ki te 2, kia riro ko 10.
Ngā Tauira
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